Add or subtract. simplify your answer. 5x+10/x^2−16 + 10/x^2−16
a. 5x/x−4
b. -x
c. 5/x−4
d. 5x+20/x^2−16

add. simplify your answer. 6x/5x^2 + 4x/5x^2
a. 2x/5x
b. 2/x
c. 2/x^2
d. 2x

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

How many ordered pairs of positive integers satisfy xy=32?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?