Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000
B. $360,000
C. $60,000
D. $218,400
Answer: D
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Use a commutative property to complete the statement. Do not simplify.7 + 4 = 
A. 4 - 7 B. 4 + 7 C. 7 ? 4 D. 7 - 4
Solve.Andrew received an inheritance of $60,000. He invested part at an annual rate of interest of 11% and the rest at 12%. If the total annual earnings were $6900, how much money was invested at 11%?
A. $53,100 B. $29,000 C. $15,000 D. $30,000
Your T-shirt operation is doing a booming trade. Last week you sold 60 tie-dyed shirts for $17 each, 75 Suburban State University crew shirts for $8 each, and 30 lacrosse T-shirts for $11 each. Use matrix operations to calculate your total revenue for the week. ?
A. $1,940 B. $1,945 C. $1,965 D. $1,920 E. $1,950
For the given equation, replace n with the indicated number and decide whether this number is the solution.n + 13 = 20; replace n with 7
A. Yes B. No