What is the exact value of cos 90degrees as found on the unit circle?

the table shows the circumfrence of a tree in centimeters, y, at x years. Choose the function that represents the data

Which expression is equivalent to: 5x2 - 10x - 7 + 5x2 + 8?

Sharon visits a home decor shop to buy curtains for her rental properties. She buys 8 curtains for $193.32. If she buys 5 more curtains the next day at the same price per curtain, what would be the best estimate of how much she paid the next day?

How can i add the fractions using a giant one to create a conmon 1 denominator / 4+5/8

Which number is a rational number but not an integer 2 - 8/2 - 3/4 - 5

Is it true that if everyone tries to save during a recession, aggregate demand will fall and the population's total savings will be lower?

If 10% of your english class received an A, how many students were in your english class if 2 students earned an A for the semester?

What is the common ratio of the geometric sequence? 2,3,4.5,6.75

What is 386 kilometers in centimeters

How to find the missing angle if the first two are 48 and 87 degrees