Having trouble with this math question of my son's x2 + 3X - 12

You have been asked to build a scale model of your school out of toothpicks imagine your school is 30ft tall. Your scale is 1 ft : 1.26 cm

Annabel has 25 ounces of a 20% boric acid solution which she wishes to dilute to a 10% solution. How much water does she have to add in order to obtain the 10% solution?

A piece of string is 325325 centimeters long. you need the string to be 114114 meters long. how many centimeters should you cut off? 200200 centimeters 125125 centimeters 250250 centimeters 450450 centimeters

Kristen and Mitchell were given the same math assignment. Kristen completes 0.8 of her work in class. Mitchell completes 0.75 of his work during class. Who has more homework remaining after class?

A movie theater runs a special promotion where each person pays $10 for an all-day ticket and $2 for each item at the concession stand. How much does each person pay for their day at the movie theater?

What is the gcf of 19 and 45?

What number is 10 times the value of the 4 in 152.84

Which statement explains why the value of [2,4] is 2 but the value of [-2,4] is - 3

Given: f (x) = 3 - x; g (x) = - 2x Find g[f (-1) ].

4. The value of the x-intercept for the graph 4x - 5y = 40 is: