Answer:
i knw the first one .um 4(3+7) i barely knws the answer.19 which is you took 4×3+7=19
4(xsquared -2) thats the answer
Check the picture below.
so, we know the perimeter of the base is 17, thus
Answer:
the answer is roughly 7.7
Step-by-step explain
First you need to get x by itself so you would move 7x to the other side which would then make your equation 56=2+7x. then you would subtract 2 to get 54=7x. now you divide both sides by 7 to get about 7.7. Hope this helps.
Partial Product is for multiplication and regrouping is for addition.
Hope that helped:)