Mrs Koh baked some doughnuts. If she gives 7 doughnuts to each of her friends, she will have 4 doughnuts left. If she gives 9 doughnuts to each of her friends, she will have a shortage of 2 doughnuts. How many doughnuts did Mrs Koh bake? ​

The graph of which equation includes the points (0, 10) and (10, 11)? y = 10x + 11 y = x + 10 y= 1/10x + 10 y = 1/10x + 11

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.