cyanclam351

Twice a number (z)added to 21 is equal to 9 times the number added to 7. What is the number?

A.  z = -4

B.  z = -2

C.  z = 2

D.  z = 4

Give a example of a word problem that would match this expression

10x + 8 = 18

2:4x + 48 - 3 = 120

Put a word problem for this

Tom had 1/2 the number of marbles Ben had at first. After Ben gave 12 of his marbles to Tom, Tom had 2/3 the number of marbles Ben had. How many marbles did Tom have at first?

2 + 1/14x - 1/2 = 15

Think about a word problem

3. JK, KL, and LJ are all tangent to O. JA = 6, AL = 11, and CK = 13. Find the perimeter of triangle JKL.

If the neighborhood holds 13 total games and all 50 athletes participate how many six player games and how many two player games are played. write and solve a system of equations

Ricky has some cookies. He ate 1/8 of his cookies and an additional 14 cookies on Friday. He then ate 3/10 of the remaining cookies and an additional 24 cookies on Saturday. He ate 40 cookies on Sunday and had 34 cookies left. How many cookies did Ricky have at first?

Simplify 6!9!/5!8!

show work so i can understand better please

The sum of three numbers is 98. The ratio of the first to the second is 2/3, and the ratio of the second to the third is 5/8. The second number is?

Find the sixth term in the binomial expansion of  

A school cafeteria offers a lunch combo special where you get soup, a sandwich, and a drink for $4.99. There are 3 kinds of soup, 4 kinds of sandwiches, and 5 kinds of drinks. How many possible combos are there?

If the discrimination of a quadratic equation is equal to -8, which statement describes the roots

Which undefined term can contain parallel lines?

A) line

B) plane

C) point

D) ray