What is a logical mathematical argument in which every statement of fact is supported by a reason

Examine the system of equations. -3x + y = 4, -9x + 5y = - 1 What is the solution?

You just looked at the graph of this system of equations. Why will the lines never intersect? y = - x + 5 y = - x - 3

Which expresion shows 18 more than 6 + 18 6 x 18 18 / 6 18 - 6

The town council must decide how to allocate next year's budget. They survey a sample of the town population to determine residents' preferences. Which survey question shows the least bias?

In a right triangle the length of a hypotenuse is 6 and the length of one leg is 5. Find the length of the other leg,

Molly purchased 7 apples for $3.96. while looking at her receipt, Molly divided three $3.96 by 7. why might Molly perform this calculation?

Which statement is true about millimeters and kilometers?

A bag contains of cards 2 red 3yellow, 3 blue What is the probability that you will draw a red card and then a yellow card

What is the ratio of 0.9 and 0.8

A quadrilateral has sides that measures 12 centimeters, 10 centimeters, 10 centimeters, and 5 centimeters. The side that measures 12 centimeters is parallel to the side that measures 5 centimeters. what is the figure?