Solve the problem.How many 10-digit telephone numbers (area code + number) are possible if the first digit cannot be zero, the first three digits cannot be 800 or 900, and the number must end in 0000?

A. 899,000
B. 900,000
C. 654,642
D. 898,000


Answer: D

Mathematics

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Given that p and q each represents a simple statement, write the indicated compound statement in its symbolic form.p: The cone has three scoops. q: The cone costs $1.85. The cone has three scoops if and only if the cone costs $1.85.

A. p ? q B. p ? q C. p ? q D. q ? p

Mathematics

Solve the formula for the specified variable.A = 3?a2 for a

A. a = ± 
B. a = 
C. a = ±
D. a = ± 

Mathematics

Evaluate the expression.10P4

A. 5040 B. 34 C. 6 D. 210

Mathematics

Solve the inequality. Express your answer using interval notation. Graph the solution set.0 ?  < 3

A.

B.

C.

D.

Mathematics