Greatest common factor of 2x+8x?

2x

Step-by-step explanation:

This is because 2x is the highest number which can be multiplied into 2x and 8x

its 2x

Step-by-step explanation:

1x,2x,4x,8x

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.