Jerry was playing a video game. it took him 10 lives to beat the 2nd world, 5 times as many as it took him to beat the 1st world. how many lives did he use to the 1st world?

A worker is hired for $80 a day on the condition that if business is slow, the worker will only receive half pay. At the end of 20 days, the worker receives $1,320. On how many days was business slow?

The ratio of a rectangle's length to its width is 2:1. if the length is 14cm long what is the width

A survey was sent out to 650 people. in total 3/5 of people returned the survey. how many people returned the survey

Mrs. Jones surveys her class of 20 students about their siblings. In the class, 15 have a brother, 16 have a sister, and 12 have both a brother and a sister. What is the probability that a student has a brother OR a sister?

41 a) Find the nth term of the arithmetic sequence 1, 11, 21, 31, 41, ... b) Find the 100th term c) Is 205 in the sequence? How do you know? d) Which term in the sequence is 161? d

Find a vector parallel to the line of intersection of the planes given by 2x + z = 5 and x + y - z = 4

The diagonals of a parallelogram are congruent. Which could be the parallelogram? trapezoid rectangle kite rhombus

Solve this system using substitution then write your answer as an ordered pair (x, y) X-5y=4 and Y=2x+14

Victoria read a 160-page historical fiction novel followed by a science fiction novel of the exact same length.

A rectangular auditorium seats 1564 people. The number of seats in each row exceeds the number of rows by 12. Find the number of seats in each row.