X2-8x+21 make the expression (x-h) 2+k is equivalent

Jeremy traveled 345 miles to visit his cousin in north carolina. if he traveled at a rate of 60 miles per hour, how long did the trip take?

A triangle is sitting on a horizontal line. The bottom left interior angle of the triangle is (9 + k) degrees. The exterior angle to the bottom left interior angle is (5 k - 3) degrees. What is the value of k? K = 28 k = 29 k = 31 k = 42

Which properly of additon is shown in the equation below? a + bi + 0 + 0i = a + b

Translate into an equation and solve. what percent of 64 is 16? (do not round until the final answer. then round to two decimal places as needed.)

Complete the comparison 26 < a. 54 b. 13 c. 25 d. 26

For which triangle does the equation 42 + 42 = c2 apply?

Which function has real zeros at x = 3 and x = 7? A - f (x) = x^2 + 4x - 21 B - f (x) = x^2 - 4x - 21 C - f (x) = x^2 - 10x + 21 D - f (x) = x^2 - 10x - 21

If PΔERO = 68 units and ΔERO has ER = x units, RO = 2x units, and EO = 3x units, what is the length of EO?

Given the sequence: {2, 8, 32, 128, 512 ...}, S12 = ?

In order to avoid staying after work, a quality control analyst inspects the first 100 items produced that day. Which sampling method did she use?