The total cost to go horseback riding is
x
dollars per hour plus a
$2
fee for renting a helmet. Which expressions represent the cost, in dollars, for
4
people to go horseback riding for
3
hours each? Select all that apply.

associative property hopes this ! : )

step-by-step explanation:

correct answer:

b.(19,-2)

its an acute right triangle

step-by-step explanation:

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true