7 less than twice a number k expression

12 and 1 half minus 9 and 5 12's

What is the lcm of two numbers tht have no common factors greater than 1?

You increase the size of a page by 30%30%. Then you decrease it by 30%30%. What is the size of the page now?

Zach is 15 in a half years old. this is 3 years younger than his brother hunter. how old is hunter?

Sophia was selling tickets at the high school dance. At the end of the evening, she picked up the cash box and noticed a $5 bill lying on the floor next to it. She said, I wonder whether the dollar belongs inside the cash box or not.

Which number sentence shows the commutative property of addition? 3 + 0 = 3 3 x 1 = 3 3 + 5 = 5 + 3 3 + (8 + 2) = (3 + 8) + 2

Marco wants to buy a new smartphone that costs $495, with some additional accessories. He has already saved $75.

A board 61 8 feet in length is shortened by having 21 12 feet cut off one end. The length of the shortened board is

Noah brought 1 fishing pole, 2 corks, and 1 can of worms. What was the total cost? Each fish $2 corks is 2 fish, poles is 5 fish and worms is 3 and a half fish.

Reagan is using geometry software to construct a regular pentagon by using rotations. What is Reagan using for the angle of rotation?