Aprofessor gives 3 tests and uses a weighted average to determine the final grades in his psychology class. the weights are as follows: test 1 = 30%, test 2 = 20%, and test 3 = 50%. if a student scores 95 on the first test, 70 on the second test, and 80 on the third test, what would be her final score?

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.