Solve the problem.Determine whether the lines containing the given pairs of points are parallel, perpendicular, or neither.L1: (7, -3) and (1, 5) L2: (7, 7) and (1, 7)
A. Parallel
B. Perpendicular
C. Neither
Answer: C
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Solve the problem.At about what velocity do you enter the water is you jump from a 15 meter cliff? (Use g = 9.8 m/sec2.)
A. 2 m/sec B. -17 m/sec C. -8.5 m/sec D. 17 m/sec
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A. AB = 
Tuition for Student 2 is $1104 and tuition for Student 1 is $924.
B. AB = 
Tuition for Student 2 is $1119 and tuition for Student 1 is $941.
C. AB = 
Tuition for Student 1 is $1104 and tuition for Student 2 is $924.
D. AB = 
Tuition for Student 1 is $1119 and tuition for Student 2 is $941.
Decide whether the relation is a function.{(-7, -4), (-7, 4), (-1, -9), (5, -3), (7, -5)}
A. not a function B. function
Solve the problem using a system of equations.Paul invested three times as much money in an account paying 4% interest than he did in an account paying 2% interest. If the total interest paid was $630, how much did he invest in each?
A. $13,500 at 4%, $5000 at 2% B. $4500 at 4%, $13,500 at 2% C. $13,500 at 4%, $4500 at 2% D. $135 at 4%, $45 at 2%