I need some help solving this. ​

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!