A/40 = 3/10

6/11 = c/77

3. b/65 = 7/13

Use the Cross Products Property to solve the proportion.

4. k/6 = 8/16

5. 5.4/7 = 24/h

6. 8/11 = 4/y+2

Write and solve a proportion to complete the statement.

7. 42 in. = cm

8. 12.6 kg lb

9. 3 oz g

10. A cell phone company charges $5 for 250 text messages. How much does the company charge

for 300 text messages?

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost