Add.-44.83 + (-6.67)
A. 51.50
B. 38.16
C. -51.50
D. -38.16
Answer: C
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Solve the problem.According to City High School's alumni records, 350 students graduated in 2001. Of these graduates, 180 were female, 135 of whom were accepted into college. Of the male graduates, 105 were accepted into college. What is the probability that a 2001 graduate of City High School was accepted into college?
A. 
B. 
C. 
D. 
Solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. The company used 100 black, 110 white and 90 red wires. How many of each type of cable were made?
A. 20 A; 30 B; 10 C B. 10 A; 30 B; 93 C C. 10 A; 30 B; 20 C D. 10 A; 103 B; 20 C
?Solve the system by the method of substitution.
?
?
?
A. ?(-1, -3) B. ?(-3, 1) C. ?(1, -3) D. ?(3, 1) E. ?(1, 3)
Use the formulas 
= 
, 
= 
, and 
= 
2 to find the sum.Find the sum of the first 70 cubed positive integers.
A. 6,175,225 B. 12,350,450 C. 24,700,900 D. 116,795