Look at the subtraction expression below. ( Please. Help. Quick.) - 1/2 - 1/4
Which number line models this expression?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?

Shannon mary and john earn a weekly allowance ahannon earns the amount that is 2/3 of what john earns mary earns an amount that is 1 2/3 of what johns earns 20 dollars a week who eaens the greatest allowance and who earns the least