Simplify the expressions.

8v - 15v

7d+5 - 4d

12x + 9 - 3x - 4

3 (x - 4) + 5x

What is the polynomial of 3,4

How to find 66 2/3% of 300?

What is the difference between rational and irrational numbers? Give 2 examples of each.

9/30 divide 450 = what

Kenneth bought 315 packages of cookies. each package had 64 cookies. how many cookies did kenneth buy?

Gabrielle's age is three times Mikhail's age. The sum of their ages is 44. What is Mikhail's age?

Find the common ratio for the following sequence 9,6,4

A rectangular courtyard 3.78 metres long and 5.25 metres wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose? (A) 14 cm (B) 21 cm (C) 42 cm (D) None of these

650mL = how many ounces?

Which is the more precise measurement? Explain. 6 hours, 14 days 14 days, because an hour is a smaller unit of measure than a day 14 days, because a day is a smaller unit of measure than an hour 6 hours, because a day is a smaller unit of measure