Pls help 9th grade math

Inequalities will have a <, >, <=, =>, = or will be worded as "Less than", "greater than", etc.

Equations must have mathematical functions and equal sign.

15=3x is an equation since 3x = 3*x

Finally, expressions are mathematical functions that have no equal signs.

answer: 1 and 3

step-by-step explanation:

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.