The grades recieved by 300students follow a normal distribution. the mean of the grades is 75% and the standard deviation is 8%.a. how many students recieved a grade greater than 75%? b. how many students recieved a grade higher than 91%?

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?