Let z = 35.

what is the value of z – 15?

a.
10

b.
15

c.
20

d.
50

let n = 21.

what is the value of n + 10?

a.
10

b.
11

c.
21

d.
31

let n = 21.

what is the value of n + 10?

a.
10

b.
11

c.
21

d.
31

let c = 4.

what is the value of (10 + 14) ÷ c?

a.
4

b.
6

c.
20

d.
24

let m = 7.

what is the value of 23 – m • 2?

a.
8

b.
9

c.
32

d.
41

let t = 5.

what is the value of 6 · 4 + t · 3?

a.
19

b.
39

c.
87

d.
133

let s = 12.

what is the value of 27 + 3s?

let h = 3.

what is the value of (27 ÷ h) · 5?