Solving system of equations by substitution

3x+y=2

2x-v=3

Find the equation for a parabola if the vertex is 6,9

Sirina was 56 years old 15 years ago how old is she now

A total of 360 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold. How many adult tickets were sold?

How you write 240,005 in word form

How do I do trigonometry:ratios and finding missing sides?

Convert 3/4 into a quotient and percentage

Simplify the expression 3 (-3y+2x) combine like terms a+3a-b+4b+c

If a figure has 5 sides 5 vertices and no equal sides what is it? it is a polygon BTW

If I rent a boat for $25 per hour and a charge additionally $12 for fuel is the number of hours I rent the boat proportional to the total cost

90,88,88,87,84,95,90,80,98, and 100 (A) find the mean of these numbers (B) find the median of these numbers