Solve the system of equations algebraically. show all of your steps.
y=x^2+2x
y=3x+20

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.