52.31*1.15=60.1565
round it to the nearest penny and you will get $60.16
Answer:
(-6,-2)
Step-by-step explanation:
pie × radius square × height ÷ 3
3.14× 10 square × 20÷ 3
==2093.3
Answer:
-9n
Step-by-step explanation:
3n(5 + 3n - 8 - 3n)
First we combine the like terms inside the parenthesis:
3n(-3)
Because 5 -8 = -3 and 3n - 3n = 0
Now we multiply:
-9n
because 3n × -3 = - 9n
So the answer is -9n