PLEASE HELP!! IM BEGGING!!!!!!!
1. Write an algebraic expression for the following. 6 less than 4 times a number n
A. 6-4n
B. 4-6n
C. -2n
D. 4n-6
2.Sam had $50 before spending x dollars on new CDs. How much money does he have left?
A. x+50
B.50-x
C.50/x
D.50x
3.Name the set(s) of numbers for the real number, 10
A. rational
B. irrational
C. integer
D. whole
4.Select the property NOT used in the following
(2+a) - 7
(a + 2) - 7
a + (2 - 7)
a + (-5)
a - 5
A.associative
B.commutative
C.distributive
D.subtraction
5.Simplify the expression: 5(a+3)-4(3-2a)
A .-3a -23
B. 7a - 3
C. -7a +7
D. 13a +3
6.You open a savings account with a $50.00 deposit. You make a deposit of $20.00 and two more of $35.00 each and 2 withdrawals of $10.00 each. Which of the following is an expression of the amount in your account after these transaction?
A. $50.00+$20.00- 2($35.00) +2 ($10.00) = $20.00
B. $20.00+2($35.00) -2 ($10.00) = $70.00
C. $50.00+$20.00+2($35.00) -2 ($10.00) = $120.00
D. $50.00+$20.00+2($35.00) +2 ($10.00) = $140.00
7.
Evaluate the following: −62
8.Evaluate the expression 2a+3b/(c−a)2a+3b/(c-a)when a = 3, b = 7 and c = 4.
