1) 12sin5x+cos5x=9 2) 3sin7x-2cos7x=3 3)3sec3x=-4 4) csc4x=-3 for #3 and 4 i have to find all the possible angles

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.

Libby built a fence that was 56 \text { feet}56 feet long over 44 days. she built the same length of fence each day. how many inches of fence did libby build each day?