Verify the identity of

sin (x+pi/2) = cos x

What is the value of 2 in 1,025

54 is 90 percent of what number

the "body" of a soda can (in between the lid and the bottom) is a cylinder. If the body is about 4.5 inches tall with a diameter of about 2.6 inches, what is the volume of soda the body of the can is able to hold?

Equation y = 94.38x + 38.17 fits the scatterplot of the values for stock ABC over the past month with an r-value of 0.9948. How much do you think ABC will be worth at x = 47 days? A.$94.38 B .$4474.03 C .$4752.31 D.$38.17

Juan will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $55 and costs an additional $0.30 per mile driven. The second plan has no initial fee but costs $0.80 per mile driven.

2. A chain 5 links long is joined to a chain 7 links long. How many links long is the resulting chain?

Evaluate f³+11g-4h when f=3, g=2, h=11

An=-31 + (n-1) - 11 find the eleventh term

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm and a height of 12 cm. What percent of the volume of the flask is not filled with liquid?

436% of what number is 31.61