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. The 140th batch
B. The 280th batch
C. The 70th batch
D. The 35th batch
Answer: A
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Perform the indicated operation. Write the answer in standard form.(7 + 7i)(3 + 4i)
A. -7 + 49i B. 49 - 7i C. 28i2 + 49i + 21 D. -7 - 49i
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-30°)
A. - 
B. - 
C. 
D. 
Evaluate the expression for the given values.
(a) y = 4(b) y = 8(c) y = -4
A. (a) undefined
(b) 
(c) - 
B. (a) 0
(b) 
(c) 
C. (a) undefined
(b) 
(c) 
D. (a) 0
(b) 
(c) - 
Solve the problem. Use the fire insurance rate table if needed. Rates are for each $100 of insurance. Round to the nearest dollar.
Laura Lee Candies owns a class A building with a replacement cost of 
Contents are valued at 
. The area is rated 3. Find the fire insurance annual premium.
A. $99 B. $856 C. $1062 D. $988