Divide 150 by 5.
150/5 = 30
Ivan gets four thirties, while Tanya only gets one thirty.
So, Ivan got three more thirties than Tanya did. Three thirties make a ninety.
Answer:

Step-by-step explanation:
5 - 2x^2 = -15
2x^2 = 20
x^2=10
x= 
Answer:
A. 4
Step-by-step explanation:
Negative negative 4 would be positive 4. The reason why is because if you multiplied -4 by -1, you'd get positive 4.
Answer:
287.9
Step-by-step explanation:
4 or less let it rest 5 or more add one more