Answer:
(2,-8)*(-1,4)
a*b
the answer is (-2,-32)
(2)*(-1)=(-2)
(-8)*(4)=(-32)
Step-by-step explanation:
hope this helps you :)
Answer:
80
Step-by-step explanation:
48/60 = x/100
48 x 100= 4,800
4,800 divided by 60=80
x= $80.00
Answer:
5
Step-by-step explanation:
( divide numerator and denominator by 5 ) , then
= 
( with missing number ? = 5 )
Answer: a. x=4 b. x=17.5
Step-by-step explanation:
a. 5x/2+1=11
subtract 1 from both sides : 5x/2=10
multiply both sides by 2 : 5x=20
divide both sides by 4 : x=4
b. 2x/7-3=2
add 3 to both sides : 2x/7=5
multiply both sides by 7 : 2x=35
divide both sides by 2 : x=17.5
