Atriangle can be formed with side lengths 4 in, 5 in, and 8 in. true false

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?