26
Subtract.
Check your answers at BigldeasMath. com.
Practice
Find the two square roots of the number.
1. 9
2. 100
3. 169
4. 400
Find the square root(s).
5. VA
6. -V81
7. +V900
8. TV
12. +V0.01
10. - 25
11. V2.25
Evaluate the expression.
13. V10 + 6
14. 4 – 2V9
15. 12-23
16. 4(2V25 + 3)
17. PERIMETER What is the perimeter of a square with an area of 900 square feet?
18. DIAMETER What is the diameter of a circle with an are of 100 square yards?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave

Which value of y will make the inequality y< -1 false?