Two consecutive angles in a parallelogram have the measures x+5 and 4x-10. find the smaller angle.

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?