How do i know when a set of ordered pairs that represents a function?

Jessica has no books. wesley has 2 more books than jessica. how many books does wesley have?

Convert the fraction to higher terms. Enter the value of the missing numerator. 7/10=?/50

Stock F had a price change of - 4 dollars and Stock G had a price change of + 1 dollars. Brody said Stock G had a greater price change because a positive integer is greater than a negative integer. Is his statement correct? Explain why or why not

A restaurants makes vegetable soup using 22cups of mixed vegetables and 15 cups of stock henri tries to make this at home with 5cups of mixed vegetables and 10cups of stock is Henri using the correct ratio

13. Find the perimeter of a triangle that has legs that are 3 cm and 4 cm. 5 cm 7 cm 10 cm 12 cm

In the XYZ contest, a school may enter 1, 2, 3 or at most 4 teams. Suppose 247 teams are entered in the XYZ contest. What is the smallest number of schools that could have entered the XYZ contest?

Is the number 5 prime composite, nethieror prime

At a basketball game, a vender sold a combined total of 225 sodas and hot dogs. The number of sodas sold was 49 more than the number of hot dogs sold. Find the number of sodas sold and the number of hot dogs sold

Is 2/8 greater than 8/12

A student gently drops a ball from different heights and measures the time it takes to fall to the ground. Which statement BEST describes why the investigation is an experimental study? A) The student does not use a control group.