Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find sin A when a = 4 and b = 5.
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Tom and Larry are food inspectors at a cookie making company. Tom tests every 20th batch of dough for fat percentage. Larry tests every 28th batch of dough for carbohydrate percentage. If they both start working at the same time, which batch will be the first that they both test?
A. 35 B. 70 C. 140 D. 280
Use the Pythagorean Theorem to solve the problem. Use your calculator to find square roots, rounding, if necessary, to the nearest tenth.A square sheet of paper measures 49 centimeters on each side. What is the length of the diagonal of this paper?
A. 4802 cm B. 69.3 cm C. 98 cm D. 49 cm
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(4x5 + 8x2) + (2x5 + 6x2)
A. 20x14 B. 6x5 + 14x2 C. 6x10 + 14x4 D. 20x7
Solve the linear equation.22 - 
= 
A. {2}
B. {60}
C. 
D. 