Simplify.
(2x^2 + 7x + 10) - (x^2 + 2x - 9)

a)
x2 + 9x + 1

b)
x2 + 5x + 19

c)
3x2 + 9x + 1

d)
2x2 + 9x + 19

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

the probability that a bird is green (.30) is true

step-by-step explanation:

answer: c

(2, -4)

goes 7 to the

(9, 4)

easy