Two planes intersect into a line always or sometimes

Choose the most accurate relationship between angle 1 and angle 2

Solve step by step for k. k/2+1/2=3 Also if anyone knows the rules for two step equations with decimals and fractions (like when to divide then multiply on problems, or add and divide, etc. I'm majorly confused.)

Jana has a number cube numbered 1 to 6. She plans to roll the cube 78 times. Predict the number of times Jana will roll a 2.

How do you do 19 / 516

John must score 80% correct on a test to qualify for a job. His score was 36/40. Does he qualify? What is his percent correct?

Invests 3000 dollars for 10 years compounded weekly. Final value 4500 dollars. What is the interest rate?

What is the simplest form of this expression? - (x - 2) (3x2 + 4x - 5) Answers- A. -3x3 + 2x2 + 13x - 10 B. 3x3 - 2x2 - 13x + 10 C. -3x3 - 10x2 - 3x + 10 D. 3x3 - 10x2 - 3x - 10

Will Make Branliest The distance from Earth to Neptune is approximately 4.3514*10^12 meters. Select from the drop-down menu to correctly complete the statement. The distance from Earth to Neptune is approximately 4.3514 * 10^9.

How many times can 23 go into 60

The number of players of an online game triples each week. The function f (x) = 3x represents the number of players in week x. When are there 81 players? A. Week 27 B. Week 9 C. Week 3 D. Week 4