Answer:
25%------10500
100%------x = 100 * 10500 /25 = 42000
Rta: Tenías 42000
Fourth test mark should be 86
85 + 82 + 75 + 86 = 328
328 divide by 4 (as there are four tests) = 82
<span>2x^2+8x-7=-2
</span><span>2x^2+8x - 5 = 0
using the formula:- x = [-8 +/- sqrt(8^2 - 4*2*-5) ] / 4
= -2 +/- sqrt 104)/2
= 0.5495 , -4.549
</span>
2 ten dollar bills, 1 one dollar bill.
20*8= 160
186- 160 = 26
26 - 5 = 21
hello i just took the test the answer is 26