Find f (4) for f (x) = 4x+3

I know I'm asking a lot of these but I stink at math

A 79 television is on sale for 65 write an equation to find out what percent was the dis count and solve

Using the formula, find four ordered pairs F=1.8c+32

Select all that apply. A card is randomly drawn from a deck of cards. (There are 52 cards in a deck, with 13 cards of each suit.) You record the following results for the experiment.

12. A company charges $8 to make a pattern for an order of t-shirts and $11 for each t-shirt it produced from the pattern. The expression $11n + $8 represents the cost of n t-shirts with the same pattern.

Biking at 10 mph, it takes Kristen an 1/2 hour to reach the train station to go to work. Kristen then takes the train to work, and it takes another 1/2 hour for her to get to work when the train travels 20 mph. How far does Kristen travel to work?

Which ratio is the same proportion as 36:64 in fraction

Four times a number, subtracted from nine, is twice the number. How do I solved this?

What are zeros of f (x) = (x-3) (x+8) ?

Find the missing measures for the rectangle. l = _?_ w = 2 cm A = _?_ P = 25 cm A) 12.5 cm; 25 cm2 B) 10.5 cm; 21 cm2 C) 12.5 cm; 21 cm2 D) 10.5 cm; 25 cm2

A lottery offers two options for the prize. Option A: $1000 a week for life. Option B: $600 000 in one lump sum. Which option would the winner choose if s/he expects to live for another 50 years?