4.5ft is what circumference of a circle

The radius of a circle is 4 kilometers. What is the area of a sector bounded by a 45° arc?

Mrs. ciampa had 27 students In her class last year and this year she had 30 students in her math class. What is the percent of change?

How do I solve constant rate

30b=5 how do I work this problem

Find 4 more than the quotient of 9 and 2

Solve. k = 1 + V3k - 5

45th digit in 1 divided by 7

The manager of an 110 -unit apartment complex knows from experience that at a rent of $300, all the units will be full. On the average, one additional unit will remain vacant for each $20 increase in rent over $300.

The larger of two numbers is twice the smaller. If their sum is 48, find the smaller number. A) 16 B) 32 C) 96 D) 48

Which pairs of integers are additive inverses? 4,4 5,-4 4,-4 5,-5