How to do I did not understand 

1° in radian

Hello

2nd question plz

Find the vector and the cartesion equation of the line that passes through the points (3,_2,5) and(3,_3,6)
Plese short ans

A dietician recorded the consumption of calories during the week by his patient as follows
Monday:3105 calories
Tuesday:1795 calories
Wednesday:1500 calories
Thursday:1407 calories
Friday:2615 calories
Saturday:1800 calories
Sunday:1913 calories
Find the average consumption of calories by the patient

A

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write newton second laws of. motion and determine f=ma [ f= force, m= mass, a= acceleration]

Use suitable identity to find the product of 104*96

X=26×4
       11

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What is right angle

Find the area of triangle, two sides of which are 8cm and 11cm and the perimeter is 32cm.

integrate: x^2/x^2-1

Rohan wants to measure the distance of a pond during the visit to his native.
He marks points A and B on the opposite edges of a pond as shown in the
figure below. To find the distance between the points, he makes a right-angled
triangle using rope connecting B with another point C are a distance of 12m,
connecting C to point D at a distance of 40m from point C and the connecting D
to the point A which is are a distance of 30m from D such the ADC=900
. Solution briefly

X  3 = 0

Complete the last column of the table 

2_x+3_y=13