Simplify the expression. 3. 3(5-2n)+9n

Find the sum or difference.
5. (3j+11)+(8j-7)
6. 3/4(Three-fourths)(8p+12)+3/8(three -eighths)(16p-8)
7. (2r-13)-(-6r+4)
8. -2.5(2s-5)-3(4.5s-5.2)

Solve the equation(Find the unknown variable). Check your solution.
13. 2/9(Two-ninths)g= -8
16. 2/7(Two-sevenths)k-3/8(Three-eighth s)= -19/8

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Find all the angles that satisfy the equation cos(θ)=32

(01.02 mc) asap plzzzwhich of the following correctly simplifies the expression 3 to the power of 2 multiplied by 5 to the power of 0 whole over 4, the whole squared.? select one: a. 3 to the power of 2 multiplied by 1 whole over 4, the whole squared. = 3 to the power of 1 multiplied by 1 squared over 4 squared. = 1 over 6.b. 3 to the power of 2 multiplied by 0 whole over 4, the whole squared. = 3 to the power of 4 multiplied by 0 over 4 squared. = 0c. 3 to the power of 2 multiplied by 0 whole over 4, the whole squared. = 3 to the power of 1 multiplied by 0 over 4 squared. = 0d. 3 to the power of 2 multiplied by 1 whole over 4, the whole squared. = 3 to the power of 4 multiplied by 1 squared over 4 squared. = 81 over 16.