Nadia bought a new camera, lens and case. she round rounded the cost of the camera to $800, the cost of the lens to $500 and the cost of the case $200. the actual cost of all three items was $1,489. what could be the actual cost of each item?

If angle 2=3x +1 and angle 3=2x +4what is angle 2

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

If m∠abc = 70°, what is m∠abd? justify your reasoning.  using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°.  using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°.  using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality.  using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.