Evaluate 8a - 1 + 0.5b when a = 1/4 and B = 10

A park ranger finds that 35% of the park's visitors stay at the campground. If 105 visitors stayed at the campground one day how many visitors the park have that day

Jack is now seven times old as James. In 5 years, Jack will be five times as old James. How old is James now?

Find the surface area of a rectangular pyramid 9 cm 6 cm 6 cm

Which shows a correct way to solve this problem? A new sports store gave away a total of 5 T-shirts and 10 caps each day to the first people who came into the store. The store did this for the first 3 days it opened.

Using numbers 3, 6, and 8 to make 8.

Kevin has $100 in a savings account that earns 10% interest per year the interest is not compounded how much interest will he earn in one year

The relation R is shown in the table below. A 2-column table with 4 rows. The first column is labeled x with entries negative 3, negative 1, 1, negative 1. The second column is labeled y with 5, 2, negative 1, 4.

yearly 17% rate of failure. Answer the following question. What is the probability that if you buy four computers, at least 1 will fail within a year?

Is - x equal to - 1x?

I ran 13 miles in 2 1/4 hours. What was my average speed?