It took Marty 42 minutes to write a book report. Then he spent 18 minutes correcting his report. Explain how you can use mental math to find how lonc Marty spent on his book report.

Which statements about countries with lower GDP and lowest HDI scores are accurate? Check all that apply O The countries with lower GDP are the same as those with the lowest HDI. O The countries with the lowest HDI scores are all located in Africa.

Function 2 x y 2 11 3 14 4 17 5 20 Consider the two functions. Which statement is true?

What is the least common multiple of 18 answers are 2 and 6 3 and 6 2 and 9 6 and 9 6and 12

What is the perpendicular slope to 3?

Write an algebraic expression for three fourths the square of b

What is 7.58E8 expressed in standard notation? a. 0.0000000758 b. 0.000000758 c. 758,000,000 d. 75,800,000,000

To study how high a ball bounces student drop the ball from various heights. The function h (t) = - 16t^2=h 0 gives the height in feet of ball at the time t measured in seaconds since the ball was dropped from a height of h 0.

Jack has $25 to spend at the mall. whats an inequality that expresses symbolically the amount of money, M, that Jack can spend

How will the solution of the system y > 2x and y < 2x change if the inequality sign on both inequalities is reversed to y < 2x and?

How many solutions are there for a+b+ab=50. Show your work