Find the area of the unshaded portion of this figure. The figures shown below are a
trapezoid and a rhombus.
21.4 ft
8.6 ft
10.1 ft
30.5 ft
Round your answer to the nearest tenths place.
The area of the unshaded portion is
square feet

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details