Fred went to 3 basketball games this year he want to 7 games last year how many basketball games did Fred go to in all

(a) solve h+2/6 = h-3/4(b) solve the following simultaneous equations. 2x = y + 66x - 2y = 13x = ? y = ?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3