Which rule yields the dilation of the figure qrst centered at the origin?
a) (x, y) → (3x, 3y)
b) (x, y) → (
1
3
x,
1
3
y)
c) (x, y) → (x + 3, y + 3)
d) (x, y) → (x +
1
3
, y +
1
3
)

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Evaluate cos2θ for cosθ = square root of 3/2

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8