Which number is a solution of the inequality?
1. ) 10.6 < b
a. –18
b. –9
c. 7
d. 14
2.)
a. 1
b. –1
c. –9
d. –5
3.) 8 < x(7 – x)
a. 2
b. 8
c. –1
d. 0

what i would say the best answer is a. 40.5

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.