In a sale, normal prices are reduced by 10%. David bought a pair of trainers in the sale for £36.
What was the original price of the trainers?

Simplify the expression. enter the correct answer.

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?