Which property or identity justifies the statement?1 ?  = 

A. Multiplicative Inverse
B. Multiplicative Identity
C. Multiplication Property
D. Closure Property


Answer: B

Mathematics

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Find the required ratio.The percent grade of a road is the ratio of the vertical rise to the horizontal change in distance, expressed as a percentage. If a highway rises  for each  along the horizontal, what is the percent grade to the nearest hundredth?

A. 0.16% B. 0.25% C. 6.33% D. 3.95%

Mathematics

Solve the problem.Sammie inherited $6,000. She wants to buy a used car, but the car she wants sells for $8646. If her money can earn 6.3% annual simple interest, how long must she invest her money? Round to the nearest year.

A. 5 years B. 6 years C. 7 years D. 8 years

Mathematics

Answer the question or complete the sentence to make a true statement.Under what condition will the sum of a positive number and a negative number be positive?

What will be an ideal response?

Mathematics

Solve the problem.For each of the two picture frames below, the ratio of the height to the width is 28 to 42. If the larger picture frame has a height of 70 inches, what is its width?

A. 112 inches B. 105 inches C. 98 inches D. 91 inches

Mathematics