What is 5040 divided by 8

What is the absolute value of the complex number -4-sqrt2i

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?