Answer:
Step-by-step explanation:
10 ~ answer
1) 0 is in the ones place
2) look at the number to the right
3) 4 or lower stay the same, 5 or higher, add one
4) 3 is lower than 4; therefore it stays 10
The answer is C 40x9=360
444-360 = 84
84 /12= 7
The answer is C
Answer:
a) 16
b) -8
c) 2
Step-by-step explanation:
Given:
p = 2
q = -3
r = -1
a)
5p - 2q
Substitute variables.
5(2) - 2(-3)
Multiply.
10 + 6
Add.
16
b)
pq + pr
Substitute variables.
(2)(-3) + (2)(-1)
Multiply.
-6 - 2
Subtract.
-8
c)
pr²
Substitute variables.
(2)(-1)²
Square -1.
(2)(1)
Multiply.
2