Jane paid $40 for an item after she received a 20% discount. jane's friend says this means that the original price of the item was $48. how did jane's friend arrive at this moment?

Kamil make $70 per week mowing lawns. How much will kamil make in 6 weeks? Will he make more then $600 in 8 weeks? Explain.

A pizza delivery shop averages 21 minutes per delivery with a standard deviation of 3 minutes. what is the probability that a pizza takes less than 15 minutes to be delivered?

Solve for h. -110=13+3 (4h-6)

Setting StartFraction 7 over 3 EndFraction equal to which ratio would result in a valid proportion? StartFraction 9 over 49 EndFraction StartFraction 18 over 42 EndFraction StartFraction 42 over 18 EndFraction StartFraction 49 over 9 EndFraction

Which statements describe a parallelogram that must be a rhombus? Select each correct answer. 1. parallelogram with congruent diagonals 2. parallelogram with a right angle 3. parallelogram with perpendicular diagonals 4.

1. Tim is choosing between two cell phone plans that offer the same amount of free minutes. Cingular's plan charges $39.99 per month with additional minutes costing $0.45. Verizon's plan costs $44.99 with additional minutes at $0.40.

4,355,000 in word form

In a class, 20 people live on campus and 4 people live off-campus. If we were to draw one student's name from a hat, what is the probability that this student is living off-campus?

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Which of the following best describes the expression? 2x + 7y