Answer: d
Step-by-step explanation: trust me ok
2/5x - 1 = 9
+1 +1
10
—— ——
2/5 2/5
x = 50
Sarah has 7 beads all together
12: 1.8= 20/3. => the answer is 20/3 miles
-4=-1b-(1/3)b
-4=-(4/3)b
-4/-(4/3)=b
b=3
-------------------------------
(1/2)3+(5/3)2
3/6+10/6=13/6
-23/3=13/6a
(-23/3)/(13/6)=a
a=-46/13
