A sugar solution was made by mixing 7 ml of a 50% sugar solution and 3 ml of a 80% sugar solution. Find the concentration of the new mixture.

What values of a make the equation have non real solution?

How to graph property of parabolas

2x2 matrix with no inverse

Find the discriminant of the quadratic equation x2 + 14x + 8 = 0 and use it to determine the number and types of solutions. b2 - 4ac 228; Two real solutions 228; One real solution 164; Two nonreal solutions 164; Two real solutions

Solve. (a) Compare the spread of the data sets displayed in the box-and-whisker plots in Problem 1. Discuss both the overall spread and the spread within the boxes, or interquartile range.

Find four consecutive integers such that twice the first subracted from the sum of the other three integers is 16.

2. A package of ground beef costs $6.98. The price per pound is $3.86. How many pounds of ground beef are in the package? Round to the nearest hundredth.

Which expression is equivalent to (st) (6) ? s (t (6)) s (x) * t (6) s (6) * t (6) 6 * s (x) * t (x)

Two cars are 312 miles apart and travel toward each other on the same they meet in three hours. One car travels 4 mph slower than the other. What is the average speed for each car?

Solve the system of equations using the linear combination method. {4j-2k=265j-2k=35 Enter your answers in the boxes.