Evaluate the expression.x + y, where x = -9 and y = 18
A. 9
B. 27
C. -27
D. -9
Answer: A
Mathematics
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Provide an appropriate response.Translate into symbolic form the following statement and explain: If it is not warm and sunny, then we cannot go to the beach.
What will be an ideal response?
Mathematics
Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a8 when a1 = 20,000, r = -0.1.
A. -0.002 B. 0.002 C. 0.0002 D. -0.02
Mathematics
Solve the system by elimination.5 x - y = 114x + y = 16
A. (3, 4) B. (3, 5) C. (4, 3) D. No solution
Mathematics
Write the number 607,901 in expanded form.
A) 600000 + 70000 + 900 + 1 B) 600000 + 7000 + 900 + 1 C) 600000 + 70000 + 9000 + 1 D) 6000000 + 7000 + 900 + 1 E) 6000000 + 70000 + 900 + 1
Mathematics