What do I need to know about geometry proofs on a test?

Can u express 9 and 9 as a mixed number? Why or why not? 9and 9 means fraction

4.2 as a mixed number

When subtracting 27/64 - 5/16=

Serena makes $9 per hour cutting lawns. Each day, she earns about $15 in tips. If Serena made no less than $110 on Monday, which inequality represents h, the number of hours she worked on Monday? 15h+9<110 15h+9>110 9h+15<110 9h+15>110

A package of 3 pairs of insulated socks cost $26.37. What is the unit price of the pairs of socks

Expand. Your answer should be a polynomial in standard form. (4-7y) (7+4y)

An arts acedemy requires there to be 3 teachers for every 75 students and 6 tutors for every 75 students. How many tutors does the acedemy need if it has 120 students

A window in the shape of a parallelogram has a base of 36 inches and a high of 45 inches. What is the area of the window

In 12 hours, how many more kilometers could the yellow car go than the red car if the red car has an average speed of 217/km per hour and the yellow car has 242 km per hour?

What is the next term of the geometric sequence? 5,15,45,