Write the series using summation notation.

7 + 10 + 13 + ... + 40

What are non examples of absolute value

A train leaves at 17.22 and arrives at its destination at 18.14. If the train travelled 56 km, what was it's the average speed in km/h? Give your answer rounded to 1 dp.

What negative number times 4 equals 0

What fraction out of 100 is 37/50,?

Jeff is baking a cake. The recipe says that he has to mix 32 grams of vanilla powder into the flour. Jeff knows that 1 cup of that particular vanilla powder has a mass of 128 grams. He added two over three of a cup of vanilla powder to the flour.

Start at 7 and subtract 3each time

Suppose you know the area of a circle and the measure of the central angle of a sector. Describe the process of finding the area of the sector.

Cups are sold 8 a package and plates are sold 12 to a package. If you want to have the same number of each item for the party, how many of each do you need to buy? what is the least number of packages of each you need to buy?

What is the formula for the sum of an infinite geometric series

Denise put $95 into an account that pays 5.2% interest, compounded monthly. According to the rule of 72, approximately how long will it take for her money to double?