Answer:
70 offices
Step-by-step explanation:
21 ÷ 3 to get amount per floor, 7 per floor, 7 × 10 = 70, 70 offices
Answer: D
Step-by-step explanation:
A seems complicated and doesn’t make an sense while D is simple
Probably the subsitution method
y=1/2x
subsitute that fr y
2x+3(1/2x)=28
2x+3/2x=28
times 2 both sides
4x+3x=56
7x=56
divide by 7 both sides
x=8
sub back
y=1/2x
y=1/2(8)
y=4
(x,y)
(8,4)
Answer:
The answer is -6 but its not in the option
Step-by-step explanation:

Let x = -5
[(-5)²-1]/(-5+1)
= (25-1)/(-4)
= 24/-4
= -6
Answer:
<h2>x = 152°</h2><h2>________________</h2>
<u>Step-by-step explanation:</u>
<h3>Δx = 85° + 67°</h3><h3>Δx = 152°</h3><h2>________________</h2><h2>FOLLOW ME</h2>