98 points me with this, i have no clue what to do. but the only methods you have the option to use are these: isolate the variable, difference of squares perfect square trinomial, factoring, completing the square and quadratic formula

2x²=200

dividing both sides by 2

x²=100

x²-100=0

we can write 100 as 10²

x²-10²=0

using the property (a+b)(a-b)=a²-b²

(x+10)(x-10)=0

x+10=0, x=-10

x-10=0, x=10

x=+10 and x=-10

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation: