4. Solve the equation using the quadratic formula. 4x^2+3x-10 = 0
A. x= -2, x= 1.25
B. X= -2, x= 2
C. x= -1.25, x= 2
D. x= -1.25, x= 1.25​

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

Suppose medical records indicate that the length of newborn babies (in inches) is normally distributed with a mean of 20 and a standard deviation of 2.6. find the probability that a given infant is between 14.8 and 25.2 inches long.