Matthew was 12 years old and his mother is three times as old. How many years must pass before his mother is twice as old? How many years ago was she seven times as old?

compare finding a ratio equlivant to 12/21 with lower terms and finding a ratio equivalent to 12/21 with greater terms

Emma buys and sells truck parts she bought two tires for $35 each and later sold them for $65 each she bought three rooms for $75 each and later sold them for $136 each she bought five headlights covers for $4 each and later sold them for $15 each

Find the area of a parallelogram bounded by the y-axis, the line x = 3, the line f (x) = 1 + 2x, and the line parallel to f (x) passing through (2, 7

One number is 1/5 of another number. the sum of the two numbers is 1818. find the two numbers.

What is angle DFE? When ce = 84 and bd = 38

Here is a list of what you need to make 20 buns: 180g of butter, 150g of flour, 200g of sugar and 4 eggs. Work out what you need to make 30 buns.

Which of these steps is a step in constructing an inscribed regular hexagon using technology

Alex rides 45 miles in 3 hours write an equation that shows the relationship between the distance and the time that he rides if Alex rides at a constant rate of speed

Big sale 20% off what percent of the regular price is taken off?

Rewrite the equation below in slope-intercept form. 2y-8x=18