How can you use quarters to estimate 180 + 320

What is the mean and median of these numbers? 20,18,16,11,18,4,15,13

7x-2=61 how to solve

What are the intrcepts of x^2+12x-45

Multiply 3x^2 (4x^2 + 6x - 3) A 7x^2 + 92 - 6 B 12x4 + 180 - 9 C 12x^2 + 182 - 9 D 12x^4 + 18x3 - 9x^2

Questões matemáticas 4) 3a - 4b (4 - 7a + 2b) + b 6) 3mn (m² + n² - m + 4n - 5) 8) (x + √5) ² 9) (4x + 2y) ² 10) (2w-1,6) ² 13) (x+11) (x+18) 15) (x+4,7) (x+3,25) Considere x=-4, y=48 e z=2,7 17) 2x-y+3z 18) xz+1,57 20) x³+2x²-4x

What does stack them mean in math

In order for the data in the table to represent a linear function with a rate of change of + 5, what must be the value of m? m=3 m=2 m = 18 m=33

Write an expression for the speed of the boat coming back from the island in terms of the other boat's speed. let x be the speed of the boat you are taking to the island.

Write down all the even numbers from 30 to 300 how many times will 6 appear

What type of problems can be solved by using GCF