Find the exact value of the product.cos 135° cos 45°
A. 1
B. 
C. - 
D. 2
Answer: C
Mathematics
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Find the measure of the indicated angle. Figure is not drawn to scale.
A. 61° B. 119° C. 29° D. 151°
Mathematics
Use factoring techniques to solve the quadratic equation.x(x + 6) = 7x + 30
A. {-6, 5} B. {-5, 6} C. {-5, -6} D. {5, 6}
Mathematics
Solve the problem.The instantaneous growth rate of a population is the rate at which it is growing at every instant in time. The instantaneous growth rate r of a colony of bacteria t hours after the start of an experiment is given by the function 
for 
Find the times for which the instantaneous growth rate is zero.
A. 1 sec and 2 sec B. 1 sec C. 1 sec, 2 sec, and 4 sec D. 2 sec and 4 sec
Mathematics
Add.+ 
A. 472.336 B. 472.246 C. 472.236 D. 472.346
Mathematics