Let a function of 2 variables be defined by f(a,b) = ab - (a - b). What is the value of f(8,9)?
Excluding sales tax, how much will you save if you purchase a $12.00 item that is on sale for 25% off?
A system of linear equations is shown below.
4y = 3x + 12
-4y = -3x - 8
Which of the following describes the graph of the
system of linear equations in the standard (x,y) coordinate plane?
A.) Two parallel lines with negative slope
B.) Two parallel lines with positive slope
C.) A single line with a negative slope
D.) A single line with a positive slope
E.) Two perpendicular lines
If 9 - x³ + 2 = 19, what is the value of x ?
If two lines in the standard (x,y) coordinate plane are perpendicular, and the slope of one of the lines is -5/7, what is the slope of the other line ?
If 2x + 3y = 4 and 5x + 6y = 7, what is the value of 8x + 9y ?
If a gumball is randomly chosen from a bag that contains exactly 6 yellow gumballs, 5 green gumballs, and 4 red gumballs, what is the probability that the gumball chosen is not green?
A line in the standard (x,y) coordinate plane has a slope of 2/3 and passes through the points (3,4) and (t,-2). What is the value of t ?
According to the measurements in the figure given at the right,
which of the following expressions gives the distance, in miles,
from the boat to the dock?
A.) 30 tan 52°
B.) 30 cos 52°
C.) 30 sin 52°
A rectangular lot that measures 125 feet by 185 feet is completely fenced in. What is the length, in
feet, of the fence?
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