Determine the number of solutions

4x+y=-2

-20x-5y=-3

How can you explain 6/6 and i are equivaent

Write three expressions that are equivalent to 24a+20

Over a 24-hour period, the tide in a harbor can be modeled by one period of a sinusoidal function. The tide measures 4.35 ft at midnight, rises to a high of 8.3 ft, falls to a low of 0.4 ft, and then rises to 4.35 ft by the next midnight.

An ice cream shop sold 2.87 gallons of Rocky Road ice cream yesterday. They sold 0.449 gallons of Rocky Road ice cream today. What was the total amount of Rocky Road ice cream they sold yesterday and tody

Choose the correct answer. When you write a check, the amount from your account. add subtract

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