Express these numbers in standard form: 1) 35.18 * 1; 2) 0.235 / 1

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Find the measurement of angle b in the following triangle

If f(x)=1/x and g(x)=x+4 which of the following is the graph