HELP Here are two right triangles:

If y/z = 0.7, what is the measure of a to the nearest degree?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)