Urgent
9*3-3*5

4
what is the value of the expression?
what is the value of the expression?
[(3 + 5) • 2 – 5] • 3
which placement of grouping symbols in the expression gives it a value of 6?
7 • 5 – 4 • 5 + 9
a.
7 • (5 – 4) • (5 + 9)
b.
7 • [(5 – 4) • 5] + 9
c.
7 • [5 – (4 • 5) + 9]
d.
(7 • 5) – [(4 • 5) + 9]

Atriangle includes one angle that 72º. which pair could be the measures of the other two angles of the triangle? a. 9º, 9º b. 26º, 46º c. 53º, 55º d. 72º, 108º

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2