Mr. Ramirez orders drumsticks and sheet music for a group of students. One pair of drumsticks costs $1.50, and the sheet music costs $3.50. He has z students in his group. It works well for his 7th graders, so Mr. Ramirez decides to do the same thing for his 6th and 8th grade groups, who have the same amount of students as the 7th grade. Which expression could he use to represent all 3 grades?

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

she will sew have sewn five dresses   and be 1/3 done with the sixth one in an hour.

step-by-step explanation:

3/4 of an hour=45 mins

lucy makes 1 dress per 11.25 minutes

45 mins+11.25 mins=56.25 mins

60 mins- 56.25 mins=3.75 mins

3.75 mins is 1/3 of of 11.25 mins

therefore she the other 1/3 would be part of the hour and she will have sewn 5 dresses and begun the sixth.

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current in the circuit at time t is /, then the power delivered to the resistor is

step-by-step explanation: