Answer:
add 21 to both sides to get everything on one side
x^2 - 10x + 21 = 0
do factorization, guess and check
(x - 7) (x -3) = 0
x =7, and x =3
404 is the answer. if you add them all together
Answer: The answer is C
Step-by-step explanation: 15 - 2 = 13 13+5=18
Hope this helps :)
Answer:
4≠5
There is no solution
Step-by-step explanation:
Circumference of circle = π × Diameter
= π × 18 cm
= 56.54867 or 56.54 to 1 dp