Ramesh is stuck on a math problem. instead of asking his teacher about ways to solve the problem, he tries out various methods to arrive at the answer. he employs all algebraic formulas he has learned to solve the problem. after working for few hours, he manages to solve the problem.
which of the following strategies did ramesh use in solving his math problem?

a) prototype
b) algorithms
c) benefit finding
d) heuristics

Which steps are important when designing and conducting a scientific experiment? hide the results from fellow scientists. identify the independent variable. eliminate all dependent variables. address any confounding variables. form a non-falsifiable hypothesis.

Astudent answers 86 problems on a test correctly and receives a grade of 98% how many problems were worth the same number of points

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is: