Two friends went to a restaurant and ordered two plain pizzas and four sodas. Their bill totaled $31. 90. Later that day, five friends went to the same restaurant. They ordered six plain pizzas and each person had two sodas. Their bill totaled $91.80. Write and solve system equations to represent this scenario.

Solve the system of equations. determine the price of one plain pizza.

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

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y

=

−

2

find the upper bound of the range.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

1/2*qr*rs

step-by-step explanation:

55% are girls and 45% are boys : ) hope this

step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.