Solve each quadratic equations by extracting square roots: 1. x^2-100=0
2. 2x^2=50

Solve each quadratic equations by factoring:
1. x^2+6x=16
2. x^2-49=0

Show solutions on each quadratic equations please, thank you.

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22