I think it’s 13 not sure tho(put a degree symbol on 13)
Answer:
9x^2 -49
Step-by-step explanation:
We recognize that this is of the form
(a+b)(a-b) = a^2 - b^2
3x = a and 7 =b
(3x)^2 - 7^2
9x^2 -49
Answer:
4.26
Step-by-step explanation:
move the decimal twice to the left then multiply it by the total price
4(5x - 2) - 2(9 - 3x)
= 26x - 26
