SG chevron_right Primary 6 chevron_right Number and Algebra

P6 qn. Help needed please. Thanks

SG chevron_right Primary 6 chevron_right Measurement

Please check if im wrong And help me wigh my workings.And If i am correct please tell me too.

SG chevron_right Grade: N/A chevron_right Strand: N/A

What i fermats principal of the least time

SG chevron_right Grade: N/A chevron_right Strand: N/A

Please help me on part (h)only, thank you!

SG chevron_right Primary 6 chevron_right Fractions

Find the area of the parallelogram