For the expression 5x? y3 + xy2 + 8 to be a trinomial with a degree of 5, the missing exponent on the x-term must be?

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

to be honest i don't know but i need points so

the answer is 52 if adding

the answer is 26 if dividing by 2

the answer is 676 if multiplying