How do I solve x^2-9=0

What is 2/5 of 26?

Compare 6,930 with 7,023. With or =

jaime bought a jar of 50 vitamins. his two children each take one vitamin each day. the number of vitamins left in the jar after x days is represented by the function f (x) = 50 - 2x. Graph the function and explain what each intercept represents

Brayden will take 10 tests in 5weeks how many test will he take in 7 weeks

What is the product of the binomials (4a-1) and (2b+3)

Show me how to work the equation for 6*+20=-4

the total cost of a pair of shoes is $85.86. What was the cost of the shoes before the 8% sales tax was added?

The sum of two numbers is fifteen. One number is three less than the other. Find the numbers.

Which values for x and y make the statement, (x+4) (y-1) = 0, true? A) x = - 4, y = 1 B) x = - 4, y = - 1 C) x = 4, y = 1 D) x = 4, y = - 1

High Street dog 28 of your muffins that was 7 out of 10 of all of them how many are left