8x + y + 4x + 2y The answer to simplifying the above expression is

blank one:

Blank two:

ANSWER ASAP

12x + 3y

Step-by-step explanation:

Not sure what the blanks are, but here is what I did

8x + y + 4x + 2y

(combine like terms)

8x + 4x + 3y

(combine like terms)

12x + 3y

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.

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5