Alvin's age is two times Elga's age. The sum of their ages is 30. What is Elga's age?

Solve the equation. |2x + 4| = 8

What is the unit ratio of 20 and five

Can you explain this problem to me 1 x 15 = 15 3 x 5 = 15 1, 3, 5, 15

The answer to a division problem is less than a divisor

Ramón says he can use the commutative property of multiplication to show the product of 4 x 6 is the same as the product of 3 x 8. Is he correct? why or why not?

Find the x and y intercepts of 6x+3y=30

Jasmine has 3/4 cup of flour in a mixing bowl. After adding more flour to the mixing bowl, Jasmine says that she now has 5/8 cup of flour. Why is her statement incorrect?

The sum of a number times 9 and 30 is at least - 28

10000 divided by 67.

Rounding 123, 499 with 3 being underlined