Graph the parabola.x2 = 5y 
A.
B.
C.
D.
Answer: C
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression.
A.
B. -4
C. 2
D. -
Mathematics
Solve the problem.A certain radioactive isotope decays at a rate of 0.275% annually. Determine the half-life of this isotope, to the nearest year.
A. 3 yr B. 182 yr C. 109 yr D. 252 yr
Mathematics
Add or subtract as indicated.-82 + (-97)
A. -179 B. 179 C. -15 D. 15
Mathematics
Translate the question into an equation. Do not solve.What number is 90% of 19?
A. x ? 90 = 19 B. x = 90 ? 19 C. x ? 90% = 19 D. x = 90% ? 19
Mathematics