Question

step by answer will mark as brainlist


fifth sum do it ​

Answer 1

Answer:

p = 20000

Step-by-step explanation:

v) (145)² - (55)² = 0.9p

=> (145+55)(145-55) 0.9 [ a²-b² = (a+b)(a-b) ]

=> (200)(90) = 0.9p

=> 18000 × 10 / 9 = p

=> p = 20000

Answer 2

Answer:

The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system. ... The left ventricle (the strongest chamber) pumps oxygen-rich blood to the rest of the body.

Step-by-step explanation:

My pic is jhope but I am Shree..

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