Calculate the sum of the first 38 terms in the sequence 7, 3, -1, -5,​

1. are the triangles similar and if so why? what is the value of x? show your work.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?