A 15 ft. ladder is leaning against the house. The top of the ladder touches the house at 9 feet above the ground. Find the angle of elevation of the sun.

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

Math i have no idea how to do a and b