Which function's graph has a period of 2?

y=cos (x-pi/2)

y=3cos pi x

y=2 sin 3x

y=-4 sin 2x

What is the greatest common factor that could be used to reduce 36/90?

Reduce to lowest terms 3m^2-3n^2/6m-6n Options A. - m-n/2 B. m-n/2 C. m+n/2

1 2 3 4 5 6 7 8 9 10 time remaining 49:41 jacob's daily tips this work week were $99, $78, $58, $91, $90, and $68. is jacob correct in thinking that the mean best represents how much money he makes in daily tips?

Which of the following is the graph of y = 4x + 2?

What does f (5) means

an 18 - foot ladder is keaning against the side of a building forming a right triangle. The angle formed by the ladder by the kadder snf to the ground is 60°.

What is the answer to k/7 + 3 - 2k = - 3

What is the answer for this problem?-4k+2 (5k-6) = - 3k-39

Nolan makes soup. He divides each batch equally into thirds to give away. Each family that he makes soup for gets 1 third of a batch. Nolan needs to make enough soup for 5 families. How much soup does Nolan give away?

Jonathan's new car cost $20,000. After a year, the value of the car is $17,000. If the car depreciates by a fixed factor every year, what will be the value of the car two years after its purchase?