Answer:

Step-by-step explanation:
Given

To express as a rational number with 91 on the denominator.
91 ÷ 7 = 13
Thus multiply the numerator and denominator by 13, that is
= 
Answer:
loss
Step-by-step explanation:
you might want to check someone else answer first tho
Answer:

Step-by-step explanation:
Given


Find h(x)
Substitute -7 for x


Absolute values return positive. So:


Fill the 7 litre bucket with water and pour it out into the 4 litre bucket. 3 litres will be left in the 7 litre bucket
=7x^4+15x^3+4y^2 I hope this helps!!