Answer:
-16
Step-by-step explanation:
multiply 4x4 and then determine if its negative or positive
Answer:
20 and 25.
Step-by-step explanation:
Given:
They both teach total 45 yoga classes each week.
Erica teaches 15 fewer than twice as many as Bo.
To find:
How many classes does each instructor teach per week = ?
Solution:
Let number of classes are taken by Bo = 
Then number of classes are taken by Erica =
(given)
Total number of classes are taken by both = 45 (given)
According to the question.
+
= 45

By adding both side by 15

By dividing both side by 3

number of classes are taken by Bo =
= 20
number of classes are taken by Erica = 
= 
Therefore, number of classes are taken by Bo and Erica is 20 and 25.
Answer:
x greater than or equal to 4
Answer: A. 12^2
Step-by-step explanation: Follow PEMDAS
Answer:
15
Step-by-step explanation:
If A||B then the sum of given angles must be equal to 180°
2x + 5 + 5x - 80 = 180 add like terms
7x - 75 = 180 subtract 75 from both sides
7x = 105 divide both sides by 7
x = 15