Answer:
A, B and C
Step-by-step explanation:
A. Adding another researcher to provide ratings will make the study less biased.
B. A quiz or exam will show which students have a better understanding of the math material. Better quiz or exam results show that the site is more effective for a student with or without the supplemental instruction.
C. Having a greater sample size is better because a greater scope of students is covered. Different students have different abilities and learning preferences.
Answer:
61
Step-by-step explanation:
straight line = 180 degree
to find the measure of angle QPR,
subtract 119 from 180
=> 180-119
=> 61
angle QPR = 61 degree
Answer:
B. - Three T-Shirts and Seven Sweatshirts: $37.5 + $203 =<u>240.50 </u>
- Six T-Shirts and Five Sweatshirts: $75 + $145 = <u>$220</u>
Step-by-step explanation:
A. - Three T-Shirts and Seven Sweatshirts: $27 + $213.50 = <u>$240.50</u>
- Six T-Shirts and Five Sweatshirts: $54 + $152.5 = <u>$206.5</u>
B. - Three T-Shirts and Seven Sweatshirts: $37.5 + $203 =<u>240.50 </u>
- Six T-Shirts and Five Sweatshirts: $75 + $145 = <u>$220</u>
C. - Three T-Shirts and Seven Sweatshirts: $35.01 + $210 = <u>$245.01</u>
- Six T-Shirts and Five Sweatshirts: $70.02 + $150 = <u>$220.02</u>
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<u>Mark as Branliest Please! :)</u>
