Somebody me- general admission tickets to the fair cost $3.50 per person. ride passes cost an additional $5.50 per person. parking costs $6 for the family. the total costs for ride passes and parking was $51. how many people in the family attended the fair?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed