Please help me 8th grade math test

1. What is the difference between their volumes? Round your final answer to the nearest tenth.

a)7.3 inches b)6.7 inches c)6.3 inches d)5.7 inches( this will be the first picture)

4. Bo is making a step stool for his bathroom sink that is shaped like a rectangular prism.(second image)

What is the total surface area of the step stool?

a)6 3/4 b)4 1/2 c)5 d)5 3/4

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.