Solve using both the addition and multiplication properties of equality.
y - 60 = -48
A. y = 1
B. y = 8
C. y = 72
D. y = -8
Answer: B
Mathematics
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The mean height of kindergartners at an elementary school is 44 inches with a standard deviation of 2 inches. If the heights are normally distributed, use this data to solve the problem. 
What percent of the kindergartners have a height between 40 and 48 inches?
A. 95% B. 47.5% C. 99.7% D. 68%
Mathematics
Find a bound on the real zeros of the polynomial function.f(x) = x4 - 7x2 - 18
A. -26 and 26 B. -19 and 19 C. -18 and 18 D. -25 and 25
Mathematics
Graph the parabola.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve.Let P(n) represent the statement: 
In the proof that 
is true for all integers n, 
, what term must be added to both sides of P(k) to show 
follows from 
?
Fill in the blank(s) with the appropriate word(s).
Mathematics