In 
, M is the midpoint of 
and N is the midpoint of 
. If the length of 
is represented by 
, what expression (containing x) represents the length of 
?
What will be an ideal response?
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Add the polynomials.(7y + 12) + (6y + 14)
A. 13y + 26 B. 13y - 26 C. 13y2 + 26 D. 42y2 + 168
Using the addition/subtraction method, find the value of x and y to satisfy the following equations: 2x + 4y = 8; 2x + 2y = 2
a. x = -2 y = -3 b. x = -3 y = -2 c. x = 3 y = 2 d. x = -2 y = 3 e. x = 2 y = -3
Solve the problem using your calculator.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters). Use a graphing calculator to model the data with a linear function that predicts a plant's growth as a function of temperature.
A. y = -14.6 - 0.211x B. y = 14.6 + 0.211x C. y = 7.30 + 0.122x D. y = 7.30 - 0.112x
Rationalize the denominator.
A. -5
B. -35
C. -7
D. -5