How do you know to use trig ratios

Find the sales price of the following item. A toaster originally costing $39.99, marked down $8.50. 4.70 31.49 48.49 339.92

Daren uses rice to fill a cylindrical glass measuring 6 inches high with a radius of 2.5 inches. He pours this rice into a cardboard cylinder that is 3.5 inches high with a diameter of 8 inches.

Simplify to create an equivalent expression. - 3 - (-2 - 2)

What is 8 - 5 3/16 I gotta know

3.8,3.789,3,3 41/50 from greastest to least

May can swim one lap in 6.089 seconds, and Sarah can swim one lap in 6.098 seconds. Write an equation to compare their speeds.

How do I solve systems of equations using elimination?

Which of the following is a polynomial with roots 2, 3i, and - 3i? A. f (x) = x^3 - 2x^2 + 6x - 9 B. f (x) = x^3 - 6x ^2 + 9x - 18 C. f (x) = x^3 - 6x^2 + 18x - 2 D. f (x) = x^3 + 2x^2 + 9x - 18

The surface area "S" of a cube with side length e is S = 6e^2. Find the side length of a cube with a surface area of 150 cm.

A farmer hears a weather report saying that temperatures will be decreasing approximately 6∘ 6∘ every hour for the next 5 hours. What signed number represents the total change in temperature expected over the next 5 hours