Line a y=1/2x+2

line b y = - 1/2 x + 7

line c y=2x + 4

line d y = 1/2x + 5/4

which lines are perpendicular

Area of triangle with base of 8.5 and height of 8.5

Approximately 10.3% of american high school students drop out of school before graduation. choose 10 students entering high school at random. find the probability that all 10 stay in school and graduate

A first number plus twice a second number is 10. Twice the first number plus the second totals 32. Find the numbers.

Elijah and Bentley go to the movie theater and purchase refreshments for their friends. Elijah spends a total of $59.00 on 4 bags of popcorn and 10 drinks. Bentley spends a total of $90.00 on 8 bags of popcorn and 6 drinks.

Which statement correctly compares the digits in 5.55? A. 5 is 10 times as much as 0.05 B. 0.5 is 1/10 of 5 C. 0.05 is 1/10 of 5 D. 5 is 20 times as much as 0.05

How many 1/3 are in 4 wholes

A math teacher gave her class two tests. 76% of the class passed the first test. 58% of the class passed both tests. What is the approximate probability that a student who passed the second test, given that he passed the first test.

What is 75% of 420 minutes?

A student club has 15 members. How many ways can a committee of 6 members be chosen? A. 504 B. 720 C. 5,005 D. 3,603,600

Round 188.84 to the nearest tenth