A toy car can goa 4mph. How long would it take to go 10miles

Solve for x where 0 equation: cot^2x+2cotx+1=0

Find the measure of angle b in the following triangle

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.