What is 3.15 trillion in scientific notation?

Rewrite b-e as a fraction

Paula spent 3/8 of her allowance on education and 1/6 on entertainment. What fraction of her allowance did she spend on other items

Tom wants to forget tickets online so that he and his three friends can go together to a water park. The cost of the tickets is $16.00 per person. There is also a $2.50 one-time service fee for ordering online.

If 18 + 3 = n-7 then what is n

Flora is packing her baby sister's blocks in a box that has a volume of 24 cubic inches. if the box is 2 inches tall, how long and wide could the box be?

A spinner is divided into 5 equal sections labeled A B C D E. You spin the spinner twice. What is the probability you land on a vowel both times?

Solve the equation h/9=7

The system of equations x = y - 1 y + 4 = x + 6 has how many solutions.

Solve this inequality: 3 (x + 6) - 2 (x + 2) > (or equal to) 10

Is 4/5 greater than 1/3