Let c who can crack dis

5 - 4 = 23

8 - 1 = 63.

6 - 16 = 32

9 - 9 = 78

3 - 9 = 6

3 - 81 = ?

Genius heads try this

Explain the logic ... (y)

Challenge for all masterminds!

If x = - 3 then what does x squared equal?

Use a transformation to solve the equation. - 3d = - 27 A. d = - 30 B. d = - 24 C. d = - 9 D. d = 9

What do you get when you multiply (-4) (-4) (-4) (-4)

If your current amount due is $200 and your available balance is $550, how much is your credit limit?

22m = how many cm? Check the comments

Ryan works mowing lawns and babysitting. He earns $8.20 an hour for mowing and $7.70 an hour for babysitting. How much will he earn for 3 hours of mowing and 7hours of babysitting?

Expand the expression and combine like terms: 2 (-14+r) - (-3r-5)

The sum of andre and brandons scores on a math quiz is 180. Andre score is 2 times as much as 30 less than brandons score. Find each students quiz score

1. If I get a loan of $30,000 and I promise to pay in 10 equal instalments of $3,000 each semester, how much interest in total do I have to pay if 10% each semester over the balance.

Which of the following conditions make a pair of triangles congruent? One angle and two sides are congruent. Two angles and one side are congruent. Two corresponding sides and one angle are congruent.