Solve the following proportions: solve for x:

4/15=x/45

A certain truck carry 3450 pounds each bible weighs 3 fourths how many bibles can be carried

Divide 72 into a ratio of 3:5

At 8:00 a. m., the outside temperature was - 16°. by 9:00 a. m., the outside temperature had dropped 6.5°. what was the outside temperature at 9:00 a. m.? a. 22.5° b. 9.5° c. - 9.5° d. - 22.5°

What is the probability that x^2+7x+k is factorable if 0 is less than or equal to k is less than or equal to 20 and k is an integer?

An air traffic controller is tracking two planes. To start, Plan A is at an altitude of 2172 feet and Plan B is just taking off. Plan A is gaining altitude at 35.25 feet per second and Plan B is gainnig altitude at 80.5 feet per second.

The discriminant of a quadratic equation is the value b2 - 4ac. What is the value of the discriminant of 0 = - 2x2 + 6x + 13?

The length of a square is six inches long. Kingsley drew a rectangle with the same area as the square. The length of Kingsley's rectangle is nine inches. What is the perimeter, in inches, of Kingsley's rectangle?

A rectangle has a length of 4 cm, a width of 3 cm, and an area of 12 cm. What is the perimeter of the rectangle?

A fraction with a numerator that is greater than or equal to the denominator is an blank

Solve 2 (4 x + 3) < 5 x + 21.