Which of the following is an angle subtraction postulate that can be derived from the angle addition postulate m∠QRS + m∠RST = m∠QRT? Question 7 options:

A)

m∠RST = m∠QRT – m∠QRS

B)

m∠QRT = m∠RST – m∠QRS

C)

m∠QRS = m∠RST – m∠QRT

D)

m∠QRS = m∠RST

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

Could somebody me with this radical simplification?

Which is f(5) for the function –2x2 + 2x - 3?