Answer:
15h
Step-by-step explanation
-5g plus 15h is 10 h minus 25 is 15h
Answer:
16b^5
Step-by-step explanation:
8b^2×2b^3
= 16b^2+3
= 16b^5
Answer:
x=5cm
Step-by-step explanation:
Pythagorean theorem states that a^2 + b^2=c^2
Plug in the numbers from the picture: 8^2 + x^2 = 89
Then solve for x
It equal 5 or -5 cm but there cannot be a negative measure of a side so it is positive 5