The image of P (x. x) after a reflection over the y-axis is P'(-3,11). Which of the following are the values of x and y? A. x = 3 and y =-11 B. X = -3 and y = -11 C. x = 3 and y = 11 D. X = 11 and y = -3​

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

The measures of the angles in △abc are given by the expressions in the table. angle measure angle a 65° angle b (3x−10)° angle c (2x)∘ find the value of x. then find the m∠b and m∠c.