Jerry usually saves $x each month. However, in August he saved $3 more than thrice his normal amount. How much did Jerry save in August?
Select the correct
O $5x
O $(5x + 3)
O $15x
O $(3+ 3x)
​

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)