A store sold 480 game systems last year. This year the store sold 420 game systems. What is the percent decrease in the number of game systems sold from last year to this year?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine, t, the number lf tokens jason bought