Juli correctly combined all like terms in the expression 5X +6 minus 4Y -3+ 3X -22 Rattlesnake Wayvland expression what is the coefficient for the X terms in the equivalent expression

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

the answer is  

a.

4,624π mm2

step-by-step explanation: