Find the value of at t=-2 for the function f(x, y,z)= vo + y + z if x=2+t, al (5 marks) y=-t-1 and z=t.​

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%