If 3a+4b = 4a-4b = 21 find the value of a

Mary wants to put a fence around her garden. the garden measures 10 ft by 6ft. if fencing costs $5, how much will the fence cost mary

Pablo purchased adult and touth tickets for rhe footall game. He brought x adults tickets for $74 each and y youth tickets for $35. write an expression that can be used to show the rotal cost c of all tickets

A 6,000.00 principal earns 8% interest, compounded semiannually twice per year after 35 years what is it

The average grain of salt is 0.0003 meters wide. Rhinovirus, which causes the common cold, is 0.00000003 meters wide. How many times wider is a grain of salt than Rhinovirus?

A building has 3 identical rectangular parking lots. The sum of the perimeters of the 3 parking lots is 540 feet. If the width of each parking lot is 40 feet, how many feet long is each parking lot?

Which expression is equivalent to 2 (2x+1) + 3x+3

Which expressions represent the product of exactly two factors? Choose 2 answers: Choose 2 answers: (Choice A) A x+yx+yx, plus, y (Choice B) B 5 (x+y) 5 (x+y) 5, left parenthesis, x, plus, y, right parenthesis (Choice C) C (x+y) left parenthesis, x,

Every evening jenna empties her pockets and puts her change in a jar. At the end of the week she counts her money. One week she had 40 coins, all of them dimes and quarters when she added them she had a total of $7.

What is the explicit rule for the sequence? 47,42,37,32, ... an=42-5n an=5n+42 an=5n+52 an=52-5n

We need half of a liter of milk. How many milliliters do we need? 10 100 500 1000