Nan bought an $85 dress on sale at 25% off the orignal price. she paid 5% sales tax on the sale. what was her total bill?

X+y=20 3x-3y=30 Which values of x and y satisfy this system of equations?

If cash is $2,345 in 20x2 and $3,671 in 20x1, what is the percentage of increase or (decrease) from 20x1 to 20x2?

Determine whether the pair of equations represent parallel lines, perpendicular lines, or neither. 12x + 4y = 16 24x + 8y = 36

How to combine like terms 5m²+10m²=

A pile of earth removed from an excavation is a cone measuring 12 ft high and 30 ft across its base. How many trips will it take to haul away the earth using a dump truck with a capacity of 9 cubic yards? trips =

A circle has an area of 49π square units. What is the diameter?

A square pyramid has a base with sides that are 12 cm long and a height of 9 cm. What is the surface area of the pyramid?

Is there sufficient evidence at the a = 0.10 level to conclude that, on average, they sent each other more than 100 messages per day? Choose 1 answer: No, because 0.001 <0.10. Yes, because 0.001 <0.10. No, because 0.001 <3.36. Yes, because 0.001 < 3.

Is 6 pints greater than, less than, or equal to 60 fluid ounces

Which of the following is the radical expression of 2 times d to the seven tenths power? seventh root of 2 d to the tenth power tenth root of 2 d to the seventh power 2 times the tenth root of d to the seventh power 2 times the seventh root of d to