Qual será o tempo de queda se uma pedra cair de uma altura de 19,9

metros?

What is the square root of 53 rounded to the tenth?

Which of the following represent side lengths of a right triangle? Select all that apply. A. 2,4,6 B. 6,8,10 C. 5,12,13 D. 30,40,45 E. 5,6,√37 F. 3,5, √34

Rina is 6x+3/8 feet tall and Ryan is 5x+1/8 feet tall. How much taller is Rina than Ryan

Write y=2 (x + 6) (x + 3) in standard form

A quadrilateral has angles that measure 63°, 89° and 121°. What is the measure of the fourth angle? A. 273° B. 93° C. 87° D. 27°

If model shows the width of a tile is 1/6 in. And the actual tile has a width of 2/9 ft. What is the ratio of a tile in the model to the area of an actual tile?

You are painting the outside of a jewelry box, including the bottom. To find the surface area (S. A.) of the jewelry box, you can use the formula S. A. = 2wl + 2lh + 2wh, where l is the length, w is the width, and h is the height.

5x + 1y + 4z=-1 4x + 6y + 9z = - 68 9x + 1y + 4z = 27 Select one: (7,-4, - 8) (-4,-8, 7) (-8, - 7, - 4) (-7,4, - 8) (-7, - 4, - 8)

A triangle has sides of 15 and 27 what is the measurement of the longest missing side

How many solutions for -2x+4y=-7 y=-1/2x+5