Andy's weight is 5 kilograms less than twice his brother's. Together they weigh 100 kilograms. What are their weights?

Justine answered 116 questions correctly on a 200-question test. Answer correctly into the boxes to show the amount as a fraction in simplest form, decimal, and percent.

Rate at which risk of down syndrome is changing is approximated by function r (x) = 0.004641x2 - 0.3012x + 4.9 (20 ≤ x ≤ 45) where r (x) measured in percentage of births per year and x is maternal age at delivery.

Explain how to use multiplication to find 4:1/5=

Part A: Find a rational number that is between 9.5 and 9.7. Explain why it is rational.

Which is the definition of a square? A quadrilateral with four congruent sides and four congruent angles A quadrilateral with four congruent sides A quadrilateral with interior angles that sum to 360° A quadrilateral with four right angles

If you were to sort 0.8, 1/4,.08, 8/10, what would be the order they would be in (smallest to biggest) ?

A regular polygon has all sides of equal length and all angles of equal measure. Which shapes below are subcategones regular polygons? Explain?

Whats does "mean" mean in math

If you take a number, times by 3 then subtract 6. You get the same as if you took the number, times by 7 then subtract 2. What is the number?

A pair of sneakers is in sale as shown. This is 75% of the original price. What was the original price of the shoes