Ravi is planning to buy concert tickets for himself and a small group of friends. the tickets cost $21 each plus a $5 transaction fee. ravi is not sure yet which of his friends are going to the concert. how much can ravi expect to spend on tickets? write an equation for the problem then use the equation to answer the question.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis