What tmes what equals 21?

Sophia has a box that measures 5feet long and has an area of 10sq feet. She gets a second box that is 2 times as long and 3 times as wide. What is the area and perimeter of her first box? What is the perimeter of her second box?

The next model of a sports car will cost 6.7% less than the current model the current model cost 58 thousand how much will the price decrease in dollars and what will be the price of the next model

Which statement describes a parallelogram that must be a square? A parallelogram with opposite sides that are congruent and diagonals that bisect the angles. A parallelogram with a right angle and diagonals that bisect the angles.

You can tell if a sequence converges by looking at the first 1000 terms. a. True b. False

What is 117% as a faction and as a decimal

Find the LCM of 6 and 12

The sum of the digits of a two digit number is 6 when the numbers are reversed the number decreases by 18

Central Middle School sold 50 tickets for one night of the school play. Student tickets sold for $2 each and adult tickets sold for$3 each. They took in $135. How many of each type of ticket did they sell?

I have done a math equation for school and i forgot if i could leave a inproper fraction as my answer or if its a fraction i can reduce should i or should i not

Enter the value of n so that the expression (-y + 5) + (7y - 9) is equivalent to (ny - 4)