If m = 16 and n = 4, what is the value of the following expression?
m - 2 • n + 2

10

Step-by-step explanation:

Use PEMDAS to rewrite the equation as:

m - (2 * n) + 2 =

16 - (2 * 4) + 2 =

16 - 8 + 2 =

10

When m = 16 and n = 4, m - 2 * n + 2 = 10.

Step-by-step explanation:

m - 2 * n + 2

Substitute values given

m = 16

n = 4

16 - 2 * 4 + 2

Multiply -2 and 4.

16 - 8 + 2

Subtract 8 from 16.

8 + 2

Add 8 and 2.

10.

If the original expression had parenthesis, please let me know as this answer would need to be edited.

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.