Compare 4 x 105 and 5 x 103. a) 4 x 105 is 80 times larger than 5 x 103 b) 4 x 105 is 8 times larger than 5 x 103 c) 4 x 105 is twice as large as 5 x 103 d) 5 x 103 is 80 times larger than 4 x 105

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Solve: 3x+y=6 4x-2y=18 show all work !

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?