Mr Cole made this diagram of his bedroom. Which is the area of Mr. Cole's bedroom? 10 ft
5 ft
4 ft
8 ft
A 90 square feet
B 82 square feet
c 72 square feet
D 36 square feet

B

Step-by-step explanation:

area =area of full shape - area of B

=10×9-4×2

=90-8

=82

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)