4 Select the correct answer. Solve the system of equations. y= 4x + 5 y = x2 + 12x + 20 A. (-3,-7) (-5,-15)
B. (-3,-17) and (-5,-25) )
C. (-3,-15) and (-5,-7)
D. (3,17) and (5,-15)
need help asap pls​

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.