The lowest temperature is usually around 3 ∘ C, and the highest temperature is around 18 ∘ C. The temperature is typically halfway between the daily high and daily low at both 10 a. m. and 10 p. m. and the highest temperatures are in the afternoon. Find the formula of the trigonometric function that models the temperature T in Johannesburg t hours after midnight. Define the function using radians.

What is the area of the trapezoid shown ?

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.

20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)