What is the missing fact in this fact family 7+5 =12 , 12-5=7 , 12-7=5

Lisa berry plans to rent an apartment for $1,090 per month. she estimates the annual expense will be as shown on the chart below. what is her average monthly cost?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.