can anyone please check my answers and correct me where I am wrong please.

if a van travels fer a distance at 18 km at an average speed of i5 itrnfh and then for a distance of 53 Km at an average speed of 90 Knvh, what is the total time for the jdumejir in minutes, In the nearest minute? {YDUF answer should he a number, without units.) \fCml'Et't the speed of 33 Hmth to nus. Give your answer to the nearest whole number. {Your answer should he a number, without units.) The gure below shows a graph for converting between miles and kilomehres. kilometres 33838 3i] 2'3 11\".] 51152253'0354455 miles Ely taking a reading from the graph. estimate how many kilometres are eou Naient to 21] miles. Round your answer to the nearest kilometre and type it in the box below. {Your answer should be a number. without units.) Letm=4_ Work out the values of the following expressions and choose the correct option from the drop down boxes: 7:1: | 23 vl m\" | 15 v| 7+5o | 2? v| (w l w v! \f\fUsing prime factors or otherwise, nd the highest common factor {HCF} of i2 and 98. {Your answer should he a number.) \fDivide 8-33 by '3\" Select the option that gives the answer as a fraction in the simplest form possible. SEIEEI DI'IEI @249 "E 02 072 25 O 493 W O 33 12