Answer:
y = 2(x+3)^2 - 17
Step-by-step explanation:
y = 2x^2+12x+1
y = 2(x^2+6x) + 1
y = 2(x^2+6x+9) + 1 - 2(9)
y = 2(x+3)^2 - 17
0.09(75h) is the part of the expression that represents the amount of tax Mrs.Bull has to pay. 75h (h representing the number of hours it will take to repair the laptop) is the amount before tax, so 0.09 and 75h multiplied will equal the total of tax.
I hope this helps
The missing word is:
exponent
Answer:
48
Step-by-step explanation:
21 white tiles = 63 cm2
total number is 144
144-63 = 81
81/3 = 27
so 27 black tiles
21+27 = 48 total.
