TOPIC: simultaneous linear equations

p + 2q = 3,
p - 2q = 3

225/100 of last years cost. write each fraction as a decimal and as a percent

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?