Concrete for a factory floor has to be laid to a depth of 12cm. what area would a 18m^3 load of liquid concrete cover?

Is it true or false i’m trying to pass this test so i can leave school

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0