How many pairs of number equal the sum of 12

Andrew was paid four dollars an hour for the first 30 hours he works each week he makes five dollars per hour for each hour he works 30 hours per week in other words total wages equals fixed wages at $5 per hour write an equation for if he works

Show that if we are given the odds against an event w as a:b, the probability of not w is

Determine the mean for: 57 59 60 58 58 56

Find the volume of the hemisphere with a radius of 7 inches. Round your answer to the nearest tenth.

How many 12 inch rulers will be about the same as a window

If the diagonals of a kite are 10cm and 24cm, find its area.

A compound inequality is graphed and its graph consists of real numbers which open sentence could have resulted in this solution set r > 3 or r < - 2 r <3 or r 3 or r> - 2 r - 2

Simplify 7/3+3 (2/3-1/3) squared

Which expression is equivalent to 2x^2-72

Peter flips a coin 50 times. What is the theoretical probability of flipping a heads?