Question

Please help, if u dont know all the answers then thats fine, but please answer the ones u know, thanks. I WILL mark brainliest put 5 stars and all my points in and say thanks :)

1. which answer best describes the set of integers from 14 to 22?
(A) [14,15,16,17,17,19,20,21,22]
(B) [14,16.18.20.22]
(C) [14,22]
(D) Null Set


2. Simplify -1/2

(A) 2
(B) -2
(C) -1/2
(D) 1/2


3. Which value of M makes the statement true?
83 - 2m ≤ 8+3m

(A) 4
(B) 7
(C) 12
(D) 15

4. Which property is demonstrated?
(5+19) + 6 = 5 + (19+6)

(A) Associative Property of Multiplication
(B) Commutative Property of addition
(C) Associative Property of addition
(D) Commutative Property of multiplication

5. Simplify
9x^2 + 8y^2 = 4y^2 - 3x
(this one is essay so there are no options)


6. Which answer correctly uses the Distributive Property to simplify the expression?
6+4 (3x - 2) + 5

(A) 3x + 13
(B) 12x + 9
(C) 7x + 9
(D) 12x + 3


7. what is the value of -a?
a= -3.7

(A) 3
(B) -3
(C) -3.7
(D) 3.7

8. Which answer lists the number between 1 and 19 in set notation?

(A) [0.2.4..8.10.12.14.16.18]
(B) [2.4.6.8.10.12.14.16.18]
(C) [2.4.6.8.10.14.16.18]
(D) [1.3.5.7.9.11.13.15.17.19]

9. Which answer is the intersection of the sets [1.4.8.9] and [2.4.7.9.11]?

(A) [4.9]
(B) [1.2.7.8.11]
(C) [1.2.4.7.8.9.11]
(D) NULL SET

Please be fair i spent like an hour writing these. and not to mention, but my math grade is currently 24.7% and i really need this grade. no pressure :)

Answer 1

1.a
2.dont know
4.associative property of addition
6. a
7.d