In y=mx +b?
If so then -3=-2(3)+b
B=3
Answer:
Addition, 83.6
Step-by-step explanation:
x - 72.6 = 11, x = 83.6
The grandson must add 72.6 to both sides to solve for x.
Answer:
38.75
Step-by-step explanation:
perimeter = 2(15.6+3.8) =38.8
lower bound = the smallest value that would round up to the estimated value =38.75
Answer:
15
Step-by-step explanation:
5÷1+3+7
PEMDAS
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
5÷1= 5, then 5+3=8, then 8+7= 15