Answer: 810 cm^3
Step-by-step explanation:
v= lwh
v= 5 * 9 *18
v= 810
Answer:85.5
Step-by-step explanation:
Use calculator
Answer:
n = 7
n = -3
Step-by-step explanation:
4n+6 = n²-15
4n = n² - 21
n² - 4n - 21 = 0
(n-7)(n+3) = 0
n = 7
n = -3
Check the picture below.
make sure your calculator is in Degree mode.