1) Kayla is using mental math to find the given sum. Which equivalent expression could she use?
A)
85 + 20
B) 90 - 13
C)
100 + 13
D) 105 - 2

PLS HELP NO!!!

Find csc x if sin x + cot x cos x =√3 a. 9 b. 3 c. √(3)/2 d. √(3)

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?