Combine like terms.7
t - 3
t
A. 4
t
B. 3
t
C. 3
t
D. 3
t
Answer: C
Mathematics
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Use the distributive property to write the sum as a product.17 ? 1 + 17 ? x
A. 17(1 + x) B. 18(x) C. (17x) D. (17 + 17x)
Mathematics
Solve the equation by factoring.2x2 = -27x - 81
A. x = -9, -18
B. x = - 
, -9
C. x = 9, 
D. x = 9, - 
Mathematics
Divide.
÷ 
A. - 
B. - 6
C. 
D. - 
Mathematics
An urn contains 3 red and 7 green balls. A second urn contains 6 red and 4 green balls. One urn is selected and a ball is drawn from the urn. (The probability of selecting urn I is 0.2 and the probability of selecting urn II is 0.8.) If the ball drawn is red, find the probability it came from the first urn.
What will be an ideal response?
Mathematics