Solve the problem.The sum of the squares of the digits of a positive two-digit number is 85, and the tens digit is 1 less than the units digit. Find the number.

A. 67
B. 76
C. 65
D. 56


Answer: A

Mathematics

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Write the equation of a polynomial function with the given characteristics. Use a leading coefficient of 1 or -1 and make the degree of the function as small as possible.Crosses the x-axis at -4, 0, and 1; lies below the x-axis between -4 and 0; lies above the x-axis between 0 and 1.

A. f(x) = x3 + 3x2 - 4x B. f(x) = - x3 + 3x2 + 4x C. f(x) = -x3 - 3x2 + 4x D. f(x) = x3 - 3x2 - 4x

Mathematics

Decide whether A and B are inverses by calculating AB and BA.A =   B =  

A. Yes B. No

Mathematics

Perform the indicated operation. Round your answer to the nearest hundredth, if necessary.15.3(-7.22)

A. -11.05 B. -1104.7 C. -1.1 D. -110.47

Mathematics

Write the whole number in standard form.Twenty thousand, five hundred forty-four

A. 20,044 B. 200,544 C. 20,544 D. 2544

Mathematics