Daniel expanded the expression as shown.
-2(-8x-4y+3/4=-10x-8y-1 1/4
a. what errors did he make? check all that apply.
b. the first term should be positive.
c. the second term should be positive.
d. he did not distribute the -2 properly.
e. he added -8 and -2 instead of multiplying -8 by -2.
f. he did not simplify the expression completely.
g. the last term should be -1 1/2, not -1 1/4.

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Find the area of the unshaded square