A large fruit cake weighs 3kg. Belinda eats 40 percent of the cake and Graham eats 25 percent of the remainder.
What is the mass of the cake left over?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.