3x^2 - 12xc - 23 = 100

Select the correct answer and solve for y

Which problem would you use the following proportion to solve for? 24/x=40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?

Solve log x= 4. x=4 x=40 x=1000 x=10,000