19. Ali has test scores of 95, 78. and 93: and he needs to have a test average of at least 90 to get an Å on bas report card. What is the lowest seore he can get on his final test and still have an A?

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]