Can someone find the slope of these 2 equations

1. y=3/4x+9

2. y=-4/3x+1

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What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?