20pt. please help i need it for today :(
the cost of cheese pizza is $9.99 Plus $0.35 for each additional topping t.

A. Write an inequality that can be used to represent the cost of a pizza that is at most $12 .
B. what is the most number of toppings that a pizza can have and still be at most $12.

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x