HELP PLEASE!! Add these two expressions.
(–45t + 53s) and (–3 – 75s + 2t)

A. 65t + 415s – 3
B. –145t – 115s – 3
C. –115t + 113s – 3
D. 115t – 415s + 2

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315