B. Is the correct answer. For part B, he can buy 15 balloons since X=15. Plug this back into the equation to check: 2(15)+20=50.
2(15)=30+20=50.
Answer:
-1/4
Step-by-step explanation:
-3/8 - 7/8= 4/8=1/2
.72
.725 would be less because it has more behind the decimal.
.72 would be more because there are only 2 numbers behind the decimal
Answer: the answer is 88.2 and your welcome!!
Step-by-step explanation:
Tan x=31
x= tan^-1 (31)
x=88.2 degrees