Kevin gave ben $4.90 in dimes and quarters. if 10 coins were quarters, how many coins were dimes? which equation models this problem? a)4.90 • 10 = 25d b)5d + 250 = 4.90 c)25 + 5d = 4.90 d)0.25 • 10 + 0.1 • d = 4.90

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers