Answer: 4x + 2y > 18 (not sure though)
Step-by-step explanation:
Answer:
(5h-4t)(5h+4t)
Step-by-step explanation:
25h² - 16t²
adding and subtracting 20ht from it (√25 and √16 = 5x4 = 20):
25h² + 20ht - 20ht -16t²
factor:
(5h-4t)(5h+4t)
5,100,000 in scientific notation is <u>5.1 x 10^6</u> (ten to the sixth power).
hope this helped :)
86.90 - 15.00 = 71.9
71.9 * .18 = ~ 12.94
71.9 + 12.94 = $84.84