4)C
5)A
6)D
7)-4/3x-1(use formula y=mx+b, m is slope, x and y is the x and y of the one point that is given, b is y-intercept)
8)B
***Slope is the number multiplied with the x and y-intercept is the last number. It's obvious
T = Tina
W = Wayne
C = Calvin
T - 40 = 447
447 + 345 = 792
792/36 = 22 (answer)
check me on arithmetic or not because i'm pretty sure i'm right
Answer
Find out the original side length of the square .
To prove
Let us assume that the original length of the square be x.
Formula

As given
The dimensions of a square are altered so that 8 inches is added to one side while 3 inches is subtracted from the other.
Length becomes = x + 8
Breadth becomes = x -3
The area of the resulting rectangle is 126 in²
Put in the formula
(x + 8) × (x - 3) = 126
x² -3x + 8x -24 = 126
x ²+ 5x = 126 +24
x² + 5x - 150 = 0
x² + 15x - 10x - 150 = 0
x (x + 15) -10 (x +15) =0
(x + 15)(x -10) =0
Thus
x = -15 , 10
As x = -15 (Neglected this value because the side of the square cannot be negative.)
Therefore x = 10 inches be the original side of the square.
Answer:
25 cm
Step-by-step explanation:
the whole parallelograph is 5 times 10 which equals 50. Devide that by 2 and you get 25
Answer:
$725.95
Step-by-step explanation:
First, calculate how much she paid for the 5 pallets
Each pallet costs 129.95, and she paid for 5, so we can multiply the 2 numbers
129.95*5=649.75
Then, add the delivery cost
649.75+76.20=725.95
So the total amount she paid is $725.95
Hope this helps! :)