B. y" + y = sec x. c. y" + 6y' + 9y = (e^-3x/x^3), y(1) =0, y'(1) = 0.

Let r = 3. what is the value of r + 58?

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.