Solve for the variable.6.8x - 7.5 = 15.62
A. 1.2
B. 3.4
C. 8.12
D. 23.12
Answer: B
Mathematics
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State the phrase as a mathematical expression. Use x to represent the variable.The quotient of a number and seven
A. 7 + x
B. 
C. 7 - x
D. 7x
Mathematics
Decide whether or not the matrix is a probability vector. 
A. No B. Yes
Mathematics
Give the degree of the polynomial (when simplified), and tell whether it is a monomial, a binomial, a trinomial, or none of these.-15y5 + 15y4 + 9
A. Degree 5; binomial B. Degree 5; trinomial C. Degree 4; trinomial D. Degree 9; trinomial
Mathematics
Add.457.52 + 789.48
A. 124.7 B. 1247.001 C. 1247 D. 12,470
Mathematics