Solve.William earned an extra $9000 last year from a part-time job. He invested part of the money at 8% and the rest at 10%. He made a total of $800 in interest. How much was invested at 10%?
A. $4000
B. $4500
C. $7000
D. $5000
Answer: A
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The number N of geese nesting in a protected area after t years is given by
.
A: Make a graph of N versus r over the first 20 years.B: What was the initial population of geese in the area? Round your answer to the nearest whole number.C: When did the population reach 109 geese? Round your answer to two decimal places if necessary.
?
?
What will be an ideal response?
Solve.A stone mason bought 11.5 tons of rock for a total cost of $1610. What was his cost per ton?
Fill in the blank(s) with the appropriate word(s).
Determine the sum or difference in the given clock arithmetic.2 + (4 - 4) (clock 7)
A. 2 B. 3 C. 5 D. 4
Solve the system by the elimination method. x + 8y = -1-4x + 9y = 4
A. {(-1, 0)} B. ? C. {(0, -1)} D. {(1, -1)}