Which fraction is equivalent to 80%? (mark as brainiest for answer)

Question 1 Write x2 + 4x - 3x3 + 6 in standard form. a) - 3x3 + 4x + x2 b) x2 - 3x3 + 4x + 6 c) - 3x3 + x2 + 4x + 6 d) 6 + 4x - 3x3 + x2

What is the conversion factor to convert cups to liters?

Solve the equation. 8x - (5x-3) = 18

Estimate then subtract 4 3/8 1 5/8

Solve the systems here using substitution. 4x = 8y 2x + 5y = 27

Justin, William, sherice, and Cynthia solved the following equation on their math test, 15/4x-2=7/2x+13/4

Tom has twice as many marbles as luke together they have 39 marbles how many marbles does luke have?

Solve : (5m3 + 3mn2) + (-7m2n + mn2 - n3) - (mn2 + 2m3)

There are 52 weeks in 1 year. In the space at the right, make a table and write a function rule relating the number of weeks to the number of years for 1,2,3, and n years. Then find Hana's age in weeks if she is 11 years old.

14d+21 and 7 (2d+3) choose yes or no to see if the expression is equivalent