System of Equations

The solution to the system of equations x + 3y = 12 4x - y = -17 is: A. (3,3) B. (12, -17) C. (-3,5) D. (5,3)

Problem 12

Select the point which is in the feasible region of the system of inequalities: 4x + y < 8 2x + 5y < 18 x > 0, y > 0 A. (2,4) B. (-1,2) C. (1,3) D. (4,1)

Finding the maximum value of a function subject to constraint satisfaction.

The maximum value of z = 20x + 8y subject to 3x + y < 24 6x + 4y < 66 x > 0, y > 0 is: A. 220 B. 160 C. 172 D. 132

Problem

The minimum value of z = 5x + 15y, subject to 4x + 3y > 72 6x + 10y < 174 x > 0, y > 0 occurs at: A. (0, 17.4) B. (9, 12) C. (18, 0) D. (29,0)

Interest

Find the interest rate for a simple interest loan with P=$1420, I=$306.72, t=3years A. 7.2% B. 1.54% C. 6.5% D. 9%

Interest

Find the length of a simple interest loan with P=$640, r= 8.5% and I=$95.20 A. 18 months B. 2 years C. 11 months D. 1.75 years

Interest

How much should be invested at 8% compounded semiannually in order to have $5000 at the end of 8 years? A. $4215.27 B. $9364.91 C. $2669.54 D. $3048.78

Interest

The future value of an annuity is A=$32,000. Periodic payments are made quarterly for four years and the annuity earns 8% compounded quarterly. Find the periodic payments. A. $422.40 B. $1,716.80 C. $2000.00 D. $2,160.00

Interest

A company borrows $75,000 which is to be repaid with equal payments semiannually for 10 years. The interest rate is 10%. Find the semiannual payments. A. $3,750.00 B. $6,018.19 C. $4,125.00 D. $5,834.22

Sampling

A group of people consists of 14 men and some women. One man and one woman can be selected in 252 ways. There are _____ women in the group. A. 238 B. 18 C. 16 D. 152