Tony's check for dinner was $15.90. How much change will he gett from a $20 bill

Two ocean liners leave from the same port in Puerto Rico at 10:00 a. m. One travels at a bearing of N 51o W at 14 miles per hour, and the other travels at a bearing of S 56o W at 17 miles per hour.

A sequence is defined by the recursive function f (n + 1) = - 10f (n). If f (1) = 1, what is f (3) ?

A company has two factories, factory A and factory B. The cost per item to produce q items in factory A is 200 + 3q q. The cost per item to produce q items in factory B is 400 + q 3q. Find an expression for the sum of these costs per item.

Angela made the trip by bus in 20 hours and the return trip by car in 16 hours. the bus traveled 8 miles per hour slower than the car. how many miles was the trip (one way)

Black and white copies cost $0.05 each, and color copies cost $0.49 each. The equation 0.05x + 0.49y=5 represents the number of black and white copies x and color copies y that can be made with $5.

Sara likes to collect stamps. She has 68 boxes of stamps with 46 stamps in each box. She decides to share the stamps with her 3 older brothers. After sharing the stamps equally with her brothers, how many stamps does each person have now?

An 80% confidence interval is found to be (0.52, 0.58) what is the sample proportion?

Which best explains why all equilateral triangles are similar? a. all equilateral triangles can be mapped onto each other using dilations. b. all equialeratl triangles can be mapped onto each other using rigid transformations c.

The area of a rectangle is 33 m-, and the length of the rectangle is 5 m less than twice the width. Find the dimensions of the rectangle.

A regular decagon has a side length of 4 centimeters long if the decagon is divided into 10 congruent triangles each has an approximate height of 6.2 centimeters what is the approximate area of the decagon