exam Maths Puzzle Numerical Ability

Useing the PEMEDS expesssion, (Please, excuse, my dear, aunt sally)

Simplify

1. 2+3*5^2-7

2. 6+3[(12/4)+5]

3. (4/2)+4(5-2)^2

4. -8-81/9*2^2+7

Read Solution (Total 0)

exam Other Question

Geometry. The volume of the box is represented by(x2 + 5x + 6)(x + 5) . Find the polynomial that represents the area of the bottom of the box. (x + 2) is the height of the box.
Two types of bacteria are grown in a lab and their populations studied. One population initially contained 320 spores and was found to triple in size every 12 days. The second popu