Answer:
3.5
Step-by-step explanation:
70 percent of 20 is 16.5 so if 16.5 - 20 is 3.5 then that's the answer
7^8 =5764801 * 7^3 =343 * 7^4 =2401 ÷ 7^9 = 40353607 * 7^5 =16807
5764801 *343 *2401 ÷ 40353607 *16807
=4747561509943 ÷ 678223072849 = 7
71
Step-by-step explanat
4x^2 - 20 = 5
4x^2 -25 = 0
4x^2 = 25
2x = 5, or -5
x = 5/2 , or -5/2
YES YES HE VENTED ITS NOT ME DONT WORRY