In one grade of 150 students, the ratio of boys to girls is 2 : 3. how many boys are in that grade?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Extra points! find the missing dimension! need asap