25 out of 30 is what grade

Joey Chestnut is trying to break his own world record for eating the most hotdogs and buns in 10 minutes he needs to eat more than 72 hotdogs to break his record after 1 minute of competition?

Sy=-2x + 4 2x + y = 4 Give The Number Of Solutions

A twelve inch candle and an 18 inch candle are lit at 6pm. The 12-in. candle burns 0.5 inches every hour. The 18 inch candle burns two inches every hour. At what time will the two candles be the same height? Let h represent the number of hours.

The property tax on a $360,000.00 house is $5400.00. At this rate, what is the property tax on a house that is $470,000.00?

A racing car used 255 litres of fuel to complete 340km race. On average, how many litres of fuel did the car use every 100km

Factor the following polynomial equation f (x) = x^3+216

In triangle MNO, MN = 20 units, NO = 15 units, and MO = 18 units. What is the approximate difference between the largest and smallest angle measures?

Find the consecutive even integers such that their sum is equal to the difference of three times the larger and two times the smaller

Find the slope of the line that passes through 10,5 and 2,2

Which algebraic expression models the given word phrase 6 times the sum of a and b