7th grade class enrollment went from 80 students to 60 students. What was the percent decrease?

Which algebraic expression has like terms? o 9n - 2n+3-4n O 7n2+3n-3-6172 O 7n2 + 4n-37 - 512 O 67° - 4n4+67-512

Solve the solution for y. 2y - 18x=-26

Which property does the statement illustrate? Column A Column B 1. (p + 3) + q = p + (3 + q) 2. 8 + (9 + 4) = (8 + 9) + 4 3. 4 (x - 2) = 4x - 8 4. 7 (3 + 5) = 7 • 3 + 7 • 5 A. associative property of addition B. distributive property Question

A sealed box contains a monatomic ideal gas. The number of gas atoms per unit volume is 6.76*1020 atoms/cm3, and the average translational kinetic energy of each atom is 2.70*10-23 J

If 7x+3=24, find the value of - 5 - 6x. a) - 23 b) - 7 c) 1 d) 17

Fill in the blank to make the two fractions equivalent. 5/9 = / 36

Given that a, b, and c are non-zero real numbers and a + b ≠ 0, solve for x. ax + bx - c = 0

What value should be added to both sides of the equation X2 + 12 X + 6 equals - 5 to solve the question by completing the square

The cost y for a company to produce x T shirts is given by the equation y=15x+1500

Derivative of F (t) = e8t sin 2t