Answer:
15
Step-by-step explanation:
If a=2 that means 9(2)-3
Do multiplication first
9x2=18
Then subtract 3
18-3=15
Answer:
Answer:
Its 2, 3
Step-by-step explanation:
The equation
represents the total cost, c, of buying x number of adult tickets and y number of child tickets.
Express 

Now divide this equation by 5:

Answer: correct choice is A
Answer:
x = 4
31x + 6 = 130
12x + 2 = 50
Step-by-step explanation:
two angles side by side are equal to 180.
(31x + 6) + (12x + 2) = 180
43x + 8 = 180
43x = 172
x = 4
31x + 6 = 124 + 4 = 130
12x + 2 = 48 + 2 = 50
Answer:
15.75 ft²
Step-by-step explanation:
6" is 0.5 ft, so the dimensions in feet are 4.5 ft by 3.5 ft. The area is the product of these dimensions:
A = (4.5 ft)(3.5 ft) = 15.75 ft²