What is the value of x in the solution to the system of equations below?

15x-12y=13

30x+9y=4

a. - 17/3

b. 1/3

c. - 2/3

d 1/6

Model 2 illustrates a chemical reaction. write the reaction as an equation, using the name or abbreviation of each of the two reactants and each of the three products

Which equation describes the relation indicated by the table? X = - 2,0,1 y=-6,2,6 a. y=4x+2 b. y = 2x + 4 c. y = 2x-2 d. y = x-4

3 halves times the product of 3 1 fifth

Find two consecutive even numbers such that the difference of one-half the larger number and two-fifths the smaller number is equal to five. 38 and 40 40 and 42 42 and 44

A change purse contains an equal number of pennies, nickels, and dimes. The total value of the coins is 560 cents. How many coins of each type does the purse contain?

What is the length of the second base of a trapezoid if the length of one base is 24 and the length of the mid segment is 19

14 is a gcf of M AND 210. what are the possible values of m

The busty bee book club charges an annual membership fee of $10 and $4 per book you order. what will be your total cost of being in this club when you order 9 books? write an function rule for the total cost C (n) when you order n books.

Find the zeros of the quadratic function. Solve by factoring. x^2+14x=-45

Which property is shown? If m ABC = m CBD, then m CBD = m ABC reflexive property substitution property symmetric property transitive property