Estimate the answers after rounding to the indicated place value
748-154 (tens)
a: 610
b: 600
c: 500
d: 590
e: 900

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat

Multiply: 2.7 × (–3) × (–1.2). a. –9.72 b. –10.8 c. 10.8 d. 9.72