Vlad tried to solve an equation step by step. \qquad\begin{aligned} -8p+14&=42 \\ -8p&=28&\green{\text{Step } 1} \\ p&=-3.5&\blue{\text{Step } 2} \end{aligned}
−8p+14
−8p
p


=42
=28
=−3.5


Step 1
Step 2


Find Vlad's mistake.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%