Rewrite the logarithm log, 421 in terms of the common logarithm (base 10).
a. 
b. log412
c. 
d. 
e. 
a.
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Solve the problem.y varies jointly as x and z. y = 7.5 when x = 75 and z = 10. Find y when x = 55 and z = 10.
A. 55 B. 550 C. 11 D. 5.5
Solve for the amount of discount and amount due.Invoice amt: $271.22Invoice date: Nov 16Terms: 3/8 ROGGoods rec'd: Dec 3Date paid: Jan 5
A. Amount of discount: $21.70; amount due: $249.52 B. Amount of discount: $7.84; amount due: $260.22 C. Amount of discount: $0; amount due: $271.22 D. Amount of discount: $8.14; amount due: $263.08
Solve the problem.Find the value for x in the cube. Use exact values. 
3 ft
A. 3
ft
B. 9 ft
C. 3 ft
D. 3
ft
Solve the problem.Maria invested $5000 at 9% compounded annually. How much will be in the account after 4 years? Round to the nearest cent.
A. $5151.70 B. $7057.91 C. $5003.36 D. $2057.91