Xét tính chất phản xạ, đối xứng, phản xứng, bắc cầu của quan hệ 2 ngôi sau: Cho X = R
a) a T b <=> 2a + 3b < 1500
b) a H b <=> 2a < 3b + 15

Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?