What problem can be solved by dividing 9/10 by 1/4

Two women were complaining about their teenagers' preoccupation with clean hair. One moaned, "My four boys will use up three bottles of shampoo in two weeks." The other replied, "My five girls will use up four bottles of shampoo in three weeks.

What is - 4+9 and 7 + (-8) 3. - 4+9 4. 7 + (-8) 5.-2+1

9. 10^7is how many times as large as 3. 10^-2

While making a book cover, Anwar uses enough material to cover the front, back, and spine of the book. He adds an extra 20 square inches more to the surface area to allow for an overlap.

Solve log28 + log232.

A box contains 9 plain pencils and 3 pens. A second box contains 3 color pencils and 5 crayons. One item from each box is chosen at random. What is the probability that a pen from the first box and a crayon from the second box are selected?

6x - 8y = 4 X-8y = - 26

0.0345 Mm to meters?

Solve for x: 5x + 2 = 4x - 9. 7 -7 11 -11

Ron practice piano 1 & 2/3 hours on Monday and 5/6 hours on Tuesday. how much did he practice altogether?