Sandy had 10 dollars in her collection. she gave 3 to her younger sister. her parents were so impressed that they quadrupled (left multiplied by 4) her remaining dolls.

Her remaining dollars are 28.

Step-by-step explanation:

Consider the provided information.

Sandy has 10 dollars in her collection.

She gave 3 to her younger sister.

Remaining dollars are:

$10 - $3 = $7

Her parents were so impressed that they quadrupled (left multiplied by 4).

So $7 × 4 = $28

The expression can be 7 × 4 = x.

Hence she left with $28.

option a, c,d are correct.

step-by-step explanation:

from the given figure, it is given that z is equidistant from the sides of the triangle rst, then from triangle tzb and triangle szb, we have

tz=sz(given)

bz=zb(common)

therefore, by rhs rule,δtzb ≅δszb

by cpctc, sz≅tz

also, from δctz and δasz,

tz=sz(given)

∠tcz=∠saz(90°)

by rhs rule, δctz ≅ δasz, therefore by cpctc, ∠ctz≅∠asz

also,from δasz and δzsb,

zs=sz(common)

∠zbs=∠saz=90°

by rhs rule, δasz ≅δzsb, therefore, by cpctc, ∠asz≅∠zsb

hence, option a, c,d are correct.

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)