Evaluate the expression for x = -1.

-l -x l + l x l

Step-by-step explanation:

-l -x l + l x l = -I -(-1)I + I -1I      {absolute value is always positive}

                  = - I 1 I + 1  = -1 + 1 = 0

the answer is 13 cm

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%