2,000 +3,500+4,000+6,000+10,000=what

25500

Step-by-step explanation:

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5

noncoplanar points are points that do not lie on the same line.