Answer:
6r+7=13+7r
6r+7=7r+13
6r+7−7r=7r+13−7r
−r+7=13
−r+7−7=13−7
−r=6
= 
r=−6
Step-by-step explanation:
:) This is the answer
He would have to sell at least 19 vacuums.
She sold 60% of her cookies.
X - 21.5 = <span>x less 21.5
answer
</span><span>d. x less 21.5
</span>hope it helps
Answer:
11^2 + b^2 = 16^2
121 + b^2 = 256
b^2 = 135
b = 3 X q(15)
Step-by-step explanation: