A lab tech wishes to mix 70% saline and 20 % saline to prepare 500ml of a 40% solution what amount should be used in the mix

What is the measure in radians for the central angle of a circle whose radius is 9 cm and intercepted arc length is 7.2 cm? ? Radians

Which scenario could be represented by the algebraic expression n/12?

kyle is training for a marathon. The equation is y=3x+5.5. how long will it take kyle to be ready to run the entire marathon of 26.5 miles

A sidewalk around a circular park covers a distance of 65 meters. A new sidewalk is being constructed across the park through its center. About how long will the new sidewalk be? Use 3.14 for π. Round to the nearest meter.

Which type of transformation is demonstrated in the following figure

Solve the inequality and then graph its solution: 7s + 12 > 46 - 10s

Samantha, each year, reads 5 books during her 8 week break. How many books does she read each week?

What x2-21x-100 in standard form

Find the quotient of 4/8 divided by 4/6

Teesha is in the chess club. There are 31 students in the club. Four of them will be picked at random to attend an awards banquet. What is the probability that Teesha will not be randomly chosen to attend the banquet? a. 31/27 b. 27/31 c. 31/4 d.