900-2*x>500
2x<900-500
2x<400
x<200
Answer:Beth can ride the bus less 200 times
Answer:
7 x 7 x 7= 49 x 7= 343
3 x 3 x 3 x 3= 9 x 3 x 3= 27 x 3= 81
Answer:
16x^4+32x^3+24x^2+8x+1
Step-by-step explanation:
(2x+1)^4
(2x+1)*(2x+1)*(2x+1)*(2x+1)
{5x-7y=-2
<u>{-5x-10y=-15 </u>(+)
<em>5x-5x-7y-10y=-17</em>
<em> </em>-17y=-17 /:(-17)
y=1
<em /><em>5x-7 *1=-2</em>
<em />5x-7=-2 /+7
5x=5 /:5
x=1
<u>Solution:</u> (1; 1)