Write the standard form of the whole number that is expressed in word form in the sentence.The Johnsons have driven their car forty-two thousand, eight hundred six miles in the last few years.
A. 4,286
B. 420,806
C. 42,860
D. 42,806
Answer: D
Mathematics
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Perform the indicated operations and simplify.
- 
+ 2
A. 
B. 
C. 
D. 
Mathematics
Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.(y-7/8) -1/6
A. y7/48
B. 
C. y25/24
D. 
Mathematics
Convert the angle in radians to degrees.- 
A. -1° B. -60° C. -60?° D. 1°
Mathematics
State the value of the discriminant and the number of real solutions.7x2 - 28 = 0
A. 0, one B. -784, two C. 784, two D. 784, one
Mathematics