What is the first step to prove that S,

2+4 + 6 + ... + 2n = n (n + 1) ?

two cars traveled equal distances in different amounts of time. car A traveled the distance in 2 hours, and car B traveled the distance in 1.5 hours. car B traveled 15 mph faster than car be what is the speed of car B

What is the exponential function modeled by the following table? x f (x) 2 9 3 27 4 81

4 and 1/4 * 4 and 1/3

Which fractions are closer to 0 than 1

Is the following inequality always, sometimes, or never true? Why 3+5x<5 (x+1)

A grocery store bought yogurt for $2.60$ 2.60 per container and stored it in two refrigerators. During the night, one refrigerator malfunctioned and ruined 1414 containers. If the remaining yogurt is sold for $4.08$ 4.

What is 8 times 10 to the third power

Archie is itemizing deductions on his federal income tax return and had $1700 in non-reimbursed work expenses last year.

1. what is 60% of 50? 20 or 30? 2. 50% of 40? 20 or 30 3. 12% of 50? 20 or 30

Two interior angles of a scalene triangle measure 85 and 50 degrees. The third angle measures: a. 90 degrees b. 25 degrees c. 45 degrees d. 180 degrees