What is an expression that uses halving and doubling to find 28 times 50

582.83 what is to the nearest whole number

Twelve times the number of days decreased by five

In a museum, the ratio of adults to children is 15 to 9. If there are 96 people in the museum, how many children are there?

A square patio has an area of 218 square feet. How long is each side of the patio to the nearest 0.05?

This season, Lisa's lacrosse team has won $/frac 23$ of their home games (games played at Lisa's school), but just $/frac 25$ of their away games (games played at other schools).

Can a cube with a base area of 121 square inches fit into a box that has a volume of 729 cubic inches

Solve 5 (x+3) - 2=2-x+9

Round 328 to the nearest ten

A health club surveyed 175 members about which types of equipment they had used in the past month. Of the 175 members, 117 had used treadmills, 89 had used stationary bikes, and 53 had used both types of equipment.

Which system of equations is equivalent to this system? 4 (x+y) = 2x+12 4x+y=x+8 A) 6x + 4y = 12 3x + y = 8 B) - 4x + 4y = 48 3x + y = 8 C) 4x + 4y = 48 3x + y = 8 D) 2x + 4y = 12 3x + y = 8