Given the following triangle, solve for angle b.

a. 52.56
b. 51.34
c. 50.12
d. 49.34

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?