Mick paid $2.94 in sales tax on a item that cost $42.00 before tax. at tthat rate, how much would he oay in slaes tax for an item thyat costs $58.00 before tax?

The triangles are similar. what is the value of x? show your work.

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

The measures of two supplementary angles are (2x + 10)° and (8x + 10)°. what is the measure of the larger angle? a. 16° b. 44° c. 14° d. 138°