Verify as an identity: cos (90°+x) = - sinx

I'm not sure how to go about this question

What's the Slope of the line through (-2,5) and (8,-3)

Two variables are always sometimes I never) correlated. 4. In the U. S., from 2004 - 2015, the correlation coefficient for the relationship between the size of a cell phone data plan, x, and the number of text messages sent, y, is r = + 0.97.

559 tickets were sold 59 more student tickets were sold than adult tickets how many adult tickets were sold

Factor the equation 16x^2 - 2x-5

each Stone in Ali's collection weighs about 4 oz her collection way about 24 lb in all how many stones are in Ali's collection

The graph shows that f (x) = (one-third) Superscript x is translated horizontally and vertically to get the function (one-third) Superscript x minus h. On a coordinate plane, 2 exponential functions are shown.

Maggie is painting the exposed areas of a cement figure that is being placed at the park. How many square feet will she need to cover with paint?

A cheetah can run 70 mph what is the speed in feet per hour

The average person loses about 8x10 strands of hair each day about how many strands o hair can you lose in 9 days?

Mercury melts at 38 below zero. write this temperature as an integer