The least common denominator of two fractions is 28. If you substract the two deniminators, their difference is 10. What are the deniminators?

In 8 unit cubes, how many different rectangular prisms can i build?

some eighth graders are making muffins foe fundraiser. They have already made 200 muffins and figure they can make 40 muffins in an hour.

The expression 2l + 2w is used to find the perimeter of a rectangle with length l and width w. What is the perimeter of a rectangle with length 18 cm and width 3 cm?

Krystal needs at least $130 to go on a trip. Her father has given her $45. Which equality could be used to determine e, the remaining amount of money krystal needs for the trip?

What number multiplied by itself three times is 125

If f (x) = 5x-1 and g (x) = 2x^2+1, what is the value of (fxg) (-3) ? A. 254 B. - 254 C. 304 D. - 304 E. - 354

Which side of the right triangle is always the longest? And what is it called?

Which is an equation of the line that passes through (-1, - 5) and (-3, - 7) ? Question 8 options: a) y = x - 4 b) y = - 2x + 4 c) y = 2x + 4 d) y = - x - 4

Lamar is rolling a die and recording what number he gets each time. He rolls the die 250 times and records his results in the table. Are the outcomes equally likely?

If a+b+c = 10, a+b=7, a-b = 5, what is the value of c?