Find the lowest common denominator of 3/x3y and 7/xy4

Which is larger: 40% of 30 or 30% of 40?

What is the value of x in the equation - 2/3x + 9=4/3x-3

Find f (-4) if f (x) = x2 - x

Solve the equation for y (x-3) ^=4y-12

janet completed 8 math problems in 10 minutes. How long per question did janet spend (in minutes and seconds) ?

A fair spinner has 9 equal sections: 3 red, 4 blue and 2 green. It is spun twice. What is the probability of getting red both times?

A family wants to save $100 each month. They record their progress toward this goal at the end of each month. In January they saved $120 and recorded + $20 at the end of the month.

For the series 25+34+43+52 + ... + 439 a) Write the series in summation notation b) find the sum, if it exists

In a large bag of skittles®, each of the 5 colors (red, orange, yellow, blue, green) occurs with the same probability. you reach in and select 1 candy. find p (orange or red)

Complete this statement 18x^3a+30xa^2=6xa ()