She needs to score a 91 on her next test because 85+78+77+69+91=400 and 400 divided by 5 gives you a mean of 80.
Answer:
7/5 y --> y+ 2/5y
0.68y --> y - 0.32y
3/5y --> y - 2/5y
1.32y --> y+ 0.32y
Step-by-step explanation:
Pretend there is a 1 in front of each y that doesn't have a number (coefficient) in front of it. 1 = 5/5, and then just solve for the fraction expressions.
Answer:
the unknown side of the triangle is 
Step-by-step explanation:





or 
If I remember My geometry correctly
you add GH AND EF then divide 2
Answer:
because the parent is the top graph which means the parent is greater
Step-by-step explanation: