Answer:
y = 90
Step-by-step explanation:
You can use proportions to answer this question.
Cross multiply 30 to -9; -3 to y
Isolate <em>y</em> by dividing -3 on both sides
Answer:
The answer is D ⇒ a reflection in the x-axis
Step-by-step explanation:
∵ The figure in the first quadrant
∵ After the reflection it is in the fourth quadrant
∴ It will be reflected in the x-axis
Answer:
3 and a half hours
Step-by-step explanation:
y=mx+b
$30.50=$8x+$2.50
$30.50-$2.50=$8x+$2.50-$2.50
$28=$8x
$28/$8=$8x/$8
x=3.5 hours
It is common for median and mean to be measuring the same thing
Answer: 7
Step-by-step explanation: