Calcular la altura a, de un árbol sabiendo que, si nos situamos 8 metros de la base del tronco, vemos la parte superior de su copa en un ángulo de
36.87º.

step-by-step explanation:

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.

what are the