Simplify 5 (a - b) + 6 (a + b) - 7 (a - 2b)

The place of a digit in a number tells you its

If h (x) = 1/2x^4-3x^3, find h (4)

The solution of the equation tan 3x = tan 2x

There are 20 balls which are red, blue or green. If 7 balls are green and the sum of red balls and green balls is less than 13, at most how many red balls are there?. a ... 4 b ... 5 c ... 6 d ... 7.

What is the length of a room with area 261 and width of 18 as a mixed number

On a particularly strange railway line, there is just one infinitely long track, so overtaking is impossible. Any time a train catches up to the one in front of it, they link up to form a single train moving at the speed of the slower train.

Simplify each expression 24-8 divided by 2

30 feet is how many yards

how do yo solve linear equations

It takes Miranda 0.5 hours to drive to work in the morning but it takes her 0.75 hours to drive home from work in the evening.