Answer:
the answer is 260
Step-by-step explanation:
Answer:
RST= 105 degrees
Step-by-step explanation:
it would be 2(5x+15) + 2(4x+3) =360
10x+30+8x+6=360
18x=324
x=18
so RST=5x+15=5(18)+15=105
Answer:
196.15
Step-by-step explanation:
35 percent added to the original number
Answer:
11
Step-by-step explanation:
48 red marbles
Let me know if you want an explanation and I’ll be happy to explain