I'm looking for someone to just give me a push in the right direction on how to answer these questions.

1)

on monday, ryan jogged 1 ½ miles in ¼ hour. on wednesday he jogged 2 1/3 miles in 1/3 hour. how much farther did ryan jog on wednesday than on monday?

2)

josh is making three recipes. one requires 2/3 cup of flour, another requires 7/8 cup of flour, and the third requires ¾ cup of flour. how much flour will josh use? write your answer as a simplified mixed number.

Ihave trouble finding the nth term of a linear sequence

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95