What is the vertex of this equation?

y=-x^2+10x-21

(5, 4)

(1, - 9)

(-4, - 2)

(7, - 3)

The width of a rectangle is 12 centimeters more than the length the perimeter is 68 centimeters find the

If D varies directly with t and D is 105 when t is 3, find D when t is 8. 35 280 840

Susie and Amelia solved the same equation using two separate methods. Their work is shown in the table below:

When a meteorologist says that there is a 30% chance of showers, what type of probability is the person using?

If a diameter intersects a chord of a circle at a perpendicular, what conclusion can be made? The diameter and the chord are congruent. The diameter is twice as long as the chord. The chord is bisected. The diameter is bisected.

McGruff Building Co. is in charge of building a new hotel. The owner of the hotel tells the company that the ratio of one person rooms to two person rooms in the hotel should be 2:3.

Triangle MNO has been dilated to form triangle MꞌNꞌOꞌ. What is the scale factor? Two triangles graphed on a coordinate grid. One triangle has coordinates M (one, negative three), N (negative two, zero), O (two, one).

What's the remainder of 18049 divided by 14

The lengths of the legs of a right triangle are 8 inches and 9 inches. what is the lengths of the hypotenuse? round to the nearest Ich.

Which equations define Y as a nonlinear function of X?