Answer:
4.5
Step-by-step explanation:
that is
their rates =1/6, 1/3 respectively
total =1/2
if 1/2=9
1= 9/2
= 4.5
Answer: D
Step-by-step explanation:
Well to solve this you want to keep in mind that 2=-2 bc absolute value mean what oh yeah |-2| = 2 so you have to remember that and if you want this to work it would be 7-2=5
Answer:
The y intercept is -21
Step-by-step explanation:
y = (x - 3)(x + 7)
To find the y intercept, set x =0 and solve for y
y = (0-3) (x+7)
y = -3*7
y = -21
The y intercept is -21
Answer:
40
Step-by-step explanation:
2 • (3(5 + 2) - 1) =
Start with the innermost parentheses.
= 2 • (3(7) - 1)
Now do the multiplication inside the parentheses.
= 2 • (21 - 1)
Do the subtraction inside the parentheses.
= 2 • 20
= 40