Answer:
30
Step-by-step explanation:
Use PEMDAS
parentheses is first
3+7=10
There's no exponents
You have to do it in order from left to right
6÷2=3
3*10=30
Answer:
A. Perpendicular
Step-by-step explanation:
Lines are perpendicular if their slopes are opposite reciprocals of each other. Opposite, meaning if positive, the other slope is negative, and if negative, the other slope is positive. Reciprocal meaning, the number is flipped upside down, turning fractions into whole numbers and vice versa.
1/9
-1/9
-9
The slopes are perpendicular
Answer:
900
Step-by-step explanation:
Assume x brick
X*(1／9+1/10）一 10=X/5
X(19/90-1/5)=10
X*(1/90)=10
X=900
Answer:
B is your answer to this problem
Step-by-step explanation:
60x1.15=69
Retail price is $69
