Multiply.3 ? 9 ? 
A. 7
B. 
C. 
D. 135
Answer: B
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Type A liquid containing 22.00% chlorine is mixed with type B liquid containing 11% chlorine to fill a 409 gallon container. The resulting liquid is to contain 15% chlorine. ? A: If we use ?a gallons of type A liquid and ?b gallons of type B liquid, write a system of two equations that determine the amounts of each that go into the mixture. Round your answers to two decimal places, if necessary.B: How much of each liquid type goes into the mixture? Round your answers to two decimal places, if necessary.
What will be an ideal response?
Choose the best estimate for the sum or difference.15
- 1
A. 13 B. 14 C. 20 D. 15
Provide an appropriate response.Find a cofunction equivalent to tan 64°.
A. cot 64° B. cot 154° C. sec 64° D. cot 26°
Find the indicated term or coefficient of the binomial expansion.Find the 5th term of the expansion of (x - 3y)12.
A. -13,365x8y5 B. -13,365x4y8 C. 40,095x4y8 D. 40,095x8y4