3a 2 + 2a - 7 into 27a 4 + 18a 2 - 2a + 42

Cara needs 2.5 yards of fabric for a dress that she is making. If the fabric costs $4.50 per yard, what will be her total cost? A) $11.25 B) $7.00 C) $1.13 D) $9.25

What is the volume of grain that could completely fill this silo, rounded to the nearest whole number? Use 22 over 7 for pi.

Ryanne is 14. her brother's age is three more than half her age. how old is her brother?

An Internet service company earned $770 in set-up fees for new homes in a neighborhood. They charged $35 for each new set-up.

Logan and Izzy had the same number of stickers. After Izzy gave him 92 stickers, Logan had 5 times as many stickers as Izzy. How many stickers did they have altogether?

What's the greatest common factor of 21 and 33?

Jackson and Israel are going out. Jackson rent a paddle boat that has a flat fee of $10 and $2 every hour after that. Israel rent out a small motorboat coast $4 initially and then $3 every hour after that.

If each student stirred for 25 seconds, what is the total number of seconds that all 25 students stirred?

How to factor 2p^4+9p^3-18p^2

When 23 is subtracted from the square root of three times a number, the result is 16. find the number?