Can negative numbers be integers, if so what cant be an integer?

How do i find the area of a sector of a circle when the radius is 4.2

The angle θ lies in Quadrant I. sinθ=2/5 What is cosθ?

Explain how you can solve exercise 3 mentally

Kayla is preparing for winter and is knitting gloves. She can knit two pairs of gloves in 5 hours. How many hours will it take kayla to make 7 pairs of gloves

A lawn is 50 feet by 80 feet. you are paid $48 to mow it. how much would you be paid to mow a lawn that is 25 feet by 20 feet?

The displacement, d, in millimeters of a tuning fork as a function of time, t, in seconds can be modeled with the equation d = 0.6 sin (3520rt). What is the frequency of the tuning fork? A, 1/3520 Hz B. 1/1760 Hz C. 1760 Hz D. 3520 Hz

4x-10y=-16 and - 7x+20y=23 elimination

At the beginning of the year 2002, Sarah put $250 in a savings account. The bank agrees to pay Sarah 3% interest on her total savings at the end of each year including the interest added to the account.

The length of a rectangle is 3 inches more than its width. If the length and width are each increased by 2 inches, the perimeter of the rectangle becomes 66 inches. If x is the width of the rectangle, find its length and width.

A loan of $1000 is to be paid back, with interest, at the end of 1 year. Aft er 3 months, a partial payment of $300 is made. Use the US Rule to determine the balance due at the end of one year, considering the partial payment.